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/* global Chart */
'use strict';
(function() {
Chart.plugins.register({
id: 'samples-filler-analyser',
beforeInit: function(chart, options) {
this.element = document.getElementById(options.target);
},
afterUpdate: function(chart) {
var datasets = chart.data.datasets;
var element = this.element;
var stats = [];
var meta, i, ilen, dataset;
if (!element) {
return;
}
for (i = 0, ilen = datasets.length; i < ilen; ++i) {
meta = chart.getDatasetMeta(i).$filler;
if (meta) {
dataset = datasets[i];
stats.push({
fill: dataset.fill,
target: meta.fill,
visible: meta.visible,
index: i
});
}
}
this.element.innerHTML = '<table>' +
'<tr>' +
'<th>Dataset</th>' +
'<th>Fill</th>' +
'<th>Target (visibility)</th>' +
'</tr>' +
stats.map(function(stat) {
var target = stat.target;
var row =
'<td><b>' + stat.index + '</b></td>' +
'<td>' + JSON.stringify(stat.fill) + '</td>';
if (target === false) {
target = 'none';
} else if (isFinite(target)) {
target = 'dataset ' + target;
} else {
target = 'boundary "' + target + '"';
}
if (stat.visible) {
row += '<td>' + target + '</td>';
} else {
row += '<td>(hidden)</td>';
}
return '<tr>' + row + '</tr>';
}).join('') + '</table>';
}
});
}());

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<!DOCTYPE html>
<html lang="en-US">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=Edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>area > boundaries | Chart.js sample</title>
<link rel="stylesheet" type="text/css" href="../../style.css">
<script src="../../../dist/Chart.bundle.js"></script>
<script src="../../utils.js"></script>
<script src="analyser.js"></script>
</head>
<body>
<div class="content">
<div class="wrapper col-2"><canvas id="chart-0"></canvas></div>
<div class="wrapper col-2"><canvas id="chart-1"></canvas></div>
<div class="wrapper col-2"><canvas id="chart-2"></canvas></div>
<div class="wrapper col-2"><canvas id="chart-3"></canvas></div>
<div class="toolbar">
<button onclick="toggleSmooth(this)">Smooth</button>
<button onclick="randomize(this)">Randomize</button>
</div>
</div>
<script>
var presets = window.chartColors;
var utils = Samples.utils;
var inputs = {
min: -100,
max: 100,
count: 8,
decimals: 2,
continuity: 1
};
function generateData(config) {
return utils.numbers(Chart.helpers.merge(inputs, config || {}));
}
function generateLabels(config) {
return utils.months(Chart.helpers.merge({
count: inputs.count,
section: 3
}, config || {}));
}
var options = {
maintainAspectRatio: false,
spanGaps: false,
elements: {
line: {
tension: 0.000001
}
},
plugins: {
filler: {
propagate: false
}
},
scales: {
xAxes: [{
ticks: {
autoSkip: false,
maxRotation: 0
}
}]
}
};
[false, 'origin', 'start', 'end'].forEach(function(boundary, index) {
// reset the random seed to generate the same data for all charts
utils.srand(8);
new Chart('chart-' + index, {
type: 'line',
data: {
labels: generateLabels(),
datasets: [{
backgroundColor: utils.transparentize(presets.red),
borderColor: presets.red,
data: generateData(),
label: 'Dataset',
fill: boundary
}]
},
options: Chart.helpers.merge(options, {
title: {
text: 'fill: ' + boundary,
display: true
}
})
});
});
// eslint-disable-next-line no-unused-vars
function toggleSmooth(btn) {
var value = btn.classList.toggle('btn-on');
Chart.helpers.each(Chart.instances, function(chart) {
chart.options.elements.line.tension = value ? 0.4 : 0.000001;
chart.update();
});
}
// eslint-disable-next-line no-unused-vars
function randomize() {
var seed = utils.rand();
Chart.helpers.each(Chart.instances, function(chart) {
utils.srand(seed);
chart.data.datasets.forEach(function(dataset) {
dataset.data = generateData();
});
chart.update();
});
}
</script>
</body>
</html>

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<!DOCTYPE html>
<html lang="en-US">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=Edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>area > datasets | Chart.js sample</title>
<link rel="stylesheet" type="text/css" href="../../style.css">
<script src="../../../dist/Chart.bundle.js"></script>
<script src="../../utils.js"></script>
<script src="analyser.js"></script>
</head>
<body>
<div class="content">
<div class="wrapper">
<canvas id="chart-0"></canvas>
</div>
<div class="toolbar">
<button onclick="togglePropagate(this)">Propagate</button>
<button onclick="toggleSmooth(this)">Smooth</button>
<button onclick="randomize(this)">Randomize</button>
</div>
<div id="chart-analyser" class="analyser"></div>
</div>
<script>
var presets = window.chartColors;
var utils = Samples.utils;
var inputs = {
min: 20,
max: 80,
count: 8,
decimals: 2,
continuity: 1
};
function generateData() {
return utils.numbers(inputs);
}
function generateLabels() {
return utils.months({count: inputs.count});
}
utils.srand(42);
var data = {
labels: generateLabels(),
datasets: [{
backgroundColor: utils.transparentize(presets.red),
borderColor: presets.red,
data: generateData(),
hidden: true,
label: 'D0'
}, {
backgroundColor: utils.transparentize(presets.orange),
borderColor: presets.orange,
data: generateData(),
label: 'D1',
fill: '-1'
}, {
backgroundColor: utils.transparentize(presets.yellow),
borderColor: presets.yellow,
data: generateData(),
hidden: true,
label: 'D2',
fill: 1
}, {
backgroundColor: utils.transparentize(presets.green),
borderColor: presets.green,
data: generateData(),
label: 'D3',
fill: '-1'
}, {
backgroundColor: utils.transparentize(presets.blue),
borderColor: presets.blue,
data: generateData(),
label: 'D4',
fill: '-1'
}, {
backgroundColor: utils.transparentize(presets.grey),
borderColor: presets.grey,
data: generateData(),
label: 'D5',
fill: '+2'
}, {
backgroundColor: utils.transparentize(presets.purple),
borderColor: presets.purple,
data: generateData(),
label: 'D6',
fill: false
}, {
backgroundColor: utils.transparentize(presets.red),
borderColor: presets.red,
data: generateData(),
label: 'D7',
fill: 8
}, {
backgroundColor: utils.transparentize(presets.orange),
borderColor: presets.orange,
data: generateData(),
hidden: true,
label: 'D8',
fill: 'end'
}]
};
var options = {
maintainAspectRatio: false,
spanGaps: false,
elements: {
line: {
tension: 0.000001
}
},
scales: {
yAxes: [{
stacked: true
}]
},
plugins: {
filler: {
propagate: false
},
'samples-filler-analyser': {
target: 'chart-analyser'
}
}
};
var chart = new Chart('chart-0', {
type: 'line',
data: data,
options: options
});
// eslint-disable-next-line no-unused-vars
function togglePropagate(btn) {
var value = btn.classList.toggle('btn-on');
chart.options.plugins.filler.propagate = value;
chart.update();
}
// eslint-disable-next-line no-unused-vars
function toggleSmooth(btn) {
var value = btn.classList.toggle('btn-on');
chart.options.elements.line.tension = value ? 0.4 : 0.000001;
chart.update();
}
// eslint-disable-next-line no-unused-vars
function randomize() {
chart.data.datasets.forEach(function(dataset) {
dataset.data = generateData();
});
chart.update();
}
</script>
</body>
</html>

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<!doctype html>
<html>
<head>
<title>Line Chart</title>
<script src="../../../dist/Chart.bundle.js"></script>
<script src="../../utils.js"></script>
<style>
canvas {
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
</style>
</head>
<body>
<div style="width:75%;">
<canvas id="canvas"></canvas>
</div>
<br>
<br>
<button id="randomizeData">Randomize Data</button>
<button id="addDataset">Add Dataset</button>
<button id="removeDataset">Remove Dataset</button>
<button id="addData">Add Data</button>
<button id="removeData">Remove Data</button>
<script>
var MONTHS = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];
var config = {
type: 'line',
data: {
labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
datasets: [{
label: 'My First dataset',
borderColor: window.chartColors.red,
backgroundColor: window.chartColors.red,
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
],
}, {
label: 'My Second dataset',
borderColor: window.chartColors.blue,
backgroundColor: window.chartColors.blue,
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
],
}, {
label: 'My Third dataset',
borderColor: window.chartColors.green,
backgroundColor: window.chartColors.green,
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
],
}, {
label: 'My Third dataset',
borderColor: window.chartColors.yellow,
backgroundColor: window.chartColors.yellow,
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
],
}]
},
options: {
responsive: true,
title: {
display: true,
text: 'Chart.js Line Chart - Stacked Area'
},
tooltips: {
mode: 'index',
},
hover: {
mode: 'index'
},
scales: {
xAxes: [{
scaleLabel: {
display: true,
labelString: 'Month'
}
}],
yAxes: [{
stacked: true,
scaleLabel: {
display: true,
labelString: 'Value'
}
}]
}
}
};
window.onload = function() {
var ctx = document.getElementById('canvas').getContext('2d');
window.myLine = new Chart(ctx, config);
};
document.getElementById('randomizeData').addEventListener('click', function() {
config.data.datasets.forEach(function(dataset) {
dataset.data = dataset.data.map(function() {
return randomScalingFactor();
});
});
window.myLine.update();
});
var colorNames = Object.keys(window.chartColors);
document.getElementById('addDataset').addEventListener('click', function() {
var colorName = colorNames[config.data.datasets.length % colorNames.length];
var newColor = window.chartColors[colorName];
var newDataset = {
label: 'Dataset ' + config.data.datasets.length,
borderColor: newColor,
backgroundColor: newColor,
data: [],
};
for (var index = 0; index < config.data.labels.length; ++index) {
newDataset.data.push(randomScalingFactor());
}
config.data.datasets.push(newDataset);
window.myLine.update();
});
document.getElementById('addData').addEventListener('click', function() {
if (config.data.datasets.length > 0) {
var month = MONTHS[config.data.labels.length % MONTHS.length];
config.data.labels.push(month);
config.data.datasets.forEach(function(dataset) {
dataset.data.push(randomScalingFactor());
});
window.myLine.update();
}
});
document.getElementById('removeDataset').addEventListener('click', function() {
config.data.datasets.splice(0, 1);
window.myLine.update();
});
document.getElementById('removeData').addEventListener('click', function() {
config.data.labels.splice(-1, 1); // remove the label first
config.data.datasets.forEach(function(dataset) {
dataset.data.pop();
});
window.myLine.update();
});
</script>
</body>
</html>

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<!DOCTYPE html>
<html lang="en-US">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=Edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>area > radar | Chart.js sample</title>
<link rel="stylesheet" type="text/css" href="../../style.css">
<script src="../../../dist/Chart.bundle.js"></script>
<script src="../../utils.js"></script>
<script src="analyser.js"></script>
</head>
<body>
<div class="content">
<div class="wrapper" style="max-width: 512px; margin: auto">
<canvas id="chart-0"></canvas>
</div>
<div class="toolbar">
<button onclick="togglePropagate(this)">Propagate</button>
<button onclick="toggleSmooth(this)">Smooth</button>
<button onclick="randomize(this)">Randomize</button>
</div>
<div id="chart-analyser" class="analyser"></div>
</div>
<script>
var presets = window.chartColors;
var utils = Samples.utils;
var inputs = {
min: 8,
max: 16,
count: 8,
decimals: 2,
continuity: 1
};
function generateData() {
// radar chart doesn't support stacked values, let's do it manually
var values = utils.numbers(inputs);
inputs.from = values;
return values;
}
function generateLabels() {
return utils.months({count: inputs.count});
}
utils.srand(42);
var data = {
labels: generateLabels(),
datasets: [{
backgroundColor: utils.transparentize(presets.red),
borderColor: presets.red,
data: generateData(),
label: 'D0'
}, {
backgroundColor: utils.transparentize(presets.orange),
borderColor: presets.orange,
data: generateData(),
hidden: true,
label: 'D1',
fill: '-1'
}, {
backgroundColor: utils.transparentize(presets.yellow),
borderColor: presets.yellow,
data: generateData(),
label: 'D2',
fill: 1
}, {
backgroundColor: utils.transparentize(presets.green),
borderColor: presets.green,
data: generateData(),
label: 'D3',
fill: false
}, {
backgroundColor: utils.transparentize(presets.blue),
borderColor: presets.blue,
data: generateData(),
label: 'D4',
fill: '-1'
}, {
backgroundColor: utils.transparentize(presets.purple),
borderColor: presets.purple,
data: generateData(),
label: 'D5',
fill: '-1'
}]
};
var options = {
maintainAspectRatio: true,
spanGaps: false,
elements: {
line: {
tension: 0.000001
}
},
plugins: {
filler: {
propagate: false
},
'samples-filler-analyser': {
target: 'chart-analyser'
}
}
};
var chart = new Chart('chart-0', {
type: 'radar',
data: data,
options: options
});
// eslint-disable-next-line no-unused-vars
function togglePropagate(btn) {
var value = btn.classList.toggle('btn-on');
chart.options.plugins.filler.propagate = value;
chart.update();
}
// eslint-disable-next-line no-unused-vars
function toggleSmooth(btn) {
var value = btn.classList.toggle('btn-on');
chart.options.elements.line.tension = value ? 0.4 : 0.000001;
chart.update();
}
// eslint-disable-next-line no-unused-vars
function randomize() {
inputs.from = [];
chart.data.datasets.forEach(function(dataset) {
dataset.data = generateData();
});
chart.update();
}
</script>
</body>
</html>

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<!doctype html>
<html>
<head>
<title>Horizontal Bar Chart</title>
<script src="../../../dist/Chart.bundle.js"></script>
<script src="../../utils.js"></script>
<style>
canvas {
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
</style>
</head>
<body>
<div id="container" style="width: 75%;">
<canvas id="canvas"></canvas>
</div>
<button id="randomizeData">Randomize Data</button>
<button id="addDataset">Add Dataset</button>
<button id="removeDataset">Remove Dataset</button>
<button id="addData">Add Data</button>
<button id="removeData">Remove Data</button>
<script>
var MONTHS = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];
var color = Chart.helpers.color;
var horizontalBarChartData = {
labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
datasets: [{
label: 'Dataset 1',
backgroundColor: color(window.chartColors.red).alpha(0.5).rgbString(),
borderColor: window.chartColors.red,
borderWidth: 1,
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
]
}, {
label: 'Dataset 2',
backgroundColor: color(window.chartColors.blue).alpha(0.5).rgbString(),
borderColor: window.chartColors.blue,
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
]
}]
};
window.onload = function() {
var ctx = document.getElementById('canvas').getContext('2d');
window.myHorizontalBar = new Chart(ctx, {
type: 'horizontalBar',
data: horizontalBarChartData,
options: {
// Elements options apply to all of the options unless overridden in a dataset
// In this case, we are setting the border of each horizontal bar to be 2px wide
elements: {
rectangle: {
borderWidth: 2,
}
},
responsive: true,
legend: {
position: 'right',
},
title: {
display: true,
text: 'Chart.js Horizontal Bar Chart'
}
}
});
};
document.getElementById('randomizeData').addEventListener('click', function() {
var zero = Math.random() < 0.2 ? true : false;
horizontalBarChartData.datasets.forEach(function(dataset) {
dataset.data = dataset.data.map(function() {
return zero ? 0.0 : randomScalingFactor();
});
});
window.myHorizontalBar.update();
});
var colorNames = Object.keys(window.chartColors);
document.getElementById('addDataset').addEventListener('click', function() {
var colorName = colorNames[horizontalBarChartData.datasets.length % colorNames.length];
var dsColor = window.chartColors[colorName];
var newDataset = {
label: 'Dataset ' + horizontalBarChartData.datasets.length,
backgroundColor: color(dsColor).alpha(0.5).rgbString(),
borderColor: dsColor,
data: []
};
for (var index = 0; index < horizontalBarChartData.labels.length; ++index) {
newDataset.data.push(randomScalingFactor());
}
horizontalBarChartData.datasets.push(newDataset);
window.myHorizontalBar.update();
});
document.getElementById('addData').addEventListener('click', function() {
if (horizontalBarChartData.datasets.length > 0) {
var month = MONTHS[horizontalBarChartData.labels.length % MONTHS.length];
horizontalBarChartData.labels.push(month);
for (var index = 0; index < horizontalBarChartData.datasets.length; ++index) {
horizontalBarChartData.datasets[index].data.push(randomScalingFactor());
}
window.myHorizontalBar.update();
}
});
document.getElementById('removeDataset').addEventListener('click', function() {
horizontalBarChartData.datasets.splice(0, 1);
window.myHorizontalBar.update();
});
document.getElementById('removeData').addEventListener('click', function() {
horizontalBarChartData.labels.splice(-1, 1); // remove the label first
horizontalBarChartData.datasets.forEach(function(dataset) {
dataset.data.pop();
});
window.myHorizontalBar.update();
});
</script>
</body>
</html>

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<!doctype html>
<html>
<head>
<title>Bar Chart Multi Axis</title>
<script src="../../../dist/Chart.bundle.js"></script>
<script src="../../utils.js"></script>
<style>
canvas {
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
</style>
</head>
<body>
<div style="width: 75%">
<canvas id="canvas"></canvas>
</div>
<button id="randomizeData">Randomize Data</button>
<script>
var barChartData = {
labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
datasets: [{
label: 'Dataset 1',
backgroundColor: [
window.chartColors.red,
window.chartColors.orange,
window.chartColors.yellow,
window.chartColors.green,
window.chartColors.blue,
window.chartColors.purple,
window.chartColors.red
],
yAxisID: 'y-axis-1',
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
]
}, {
label: 'Dataset 2',
backgroundColor: window.chartColors.grey,
yAxisID: 'y-axis-2',
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
]
}]
};
window.onload = function() {
var ctx = document.getElementById('canvas').getContext('2d');
window.myBar = new Chart(ctx, {
type: 'bar',
data: barChartData,
options: {
responsive: true,
title: {
display: true,
text: 'Chart.js Bar Chart - Multi Axis'
},
tooltips: {
mode: 'index',
intersect: true
},
scales: {
yAxes: [{
type: 'linear', // only linear but allow scale type registration. This allows extensions to exist solely for log scale for instance
display: true,
position: 'left',
id: 'y-axis-1',
}, {
type: 'linear', // only linear but allow scale type registration. This allows extensions to exist solely for log scale for instance
display: true,
position: 'right',
id: 'y-axis-2',
gridLines: {
drawOnChartArea: false
}
}],
}
}
});
};
document.getElementById('randomizeData').addEventListener('click', function() {
barChartData.datasets.forEach(function(dataset) {
dataset.data = dataset.data.map(function() {
return randomScalingFactor();
});
});
window.myBar.update();
});
</script>
</body>
</html>

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<!doctype html>
<html>
<head>
<title>Stacked Bar Chart with Groups</title>
<script src="../../../dist/Chart.bundle.js"></script>
<script src="../../utils.js"></script>
<style>
canvas {
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
</style>
</head>
<body>
<div style="width: 75%">
<canvas id="canvas"></canvas>
</div>
<button id="randomizeData">Randomize Data</button>
<script>
var barChartData = {
labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
datasets: [{
label: 'Dataset 1',
backgroundColor: window.chartColors.red,
stack: 'Stack 0',
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
]
}, {
label: 'Dataset 2',
backgroundColor: window.chartColors.blue,
stack: 'Stack 0',
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
]
}, {
label: 'Dataset 3',
backgroundColor: window.chartColors.green,
stack: 'Stack 1',
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
]
}]
};
window.onload = function() {
var ctx = document.getElementById('canvas').getContext('2d');
window.myBar = new Chart(ctx, {
type: 'bar',
data: barChartData,
options: {
title: {
display: true,
text: 'Chart.js Bar Chart - Stacked'
},
tooltips: {
mode: 'index',
intersect: false
},
responsive: true,
scales: {
xAxes: [{
stacked: true,
}],
yAxes: [{
stacked: true
}]
}
}
});
};
document.getElementById('randomizeData').addEventListener('click', function() {
barChartData.datasets.forEach(function(dataset) {
dataset.data = dataset.data.map(function() {
return randomScalingFactor();
});
});
window.myBar.update();
});
</script>
</body>
</html>

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<!doctype html>
<html>
<head>
<title>Stacked Bar Chart</title>
<script src="../../../dist/Chart.bundle.js"></script>
<script src="../../utils.js"></script>
<style>
canvas {
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
</style>
</head>
<body>
<div style="width: 75%">
<canvas id="canvas"></canvas>
</div>
<button id="randomizeData">Randomize Data</button>
<script>
var barChartData = {
labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
datasets: [{
label: 'Dataset 1',
backgroundColor: window.chartColors.red,
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
]
}, {
label: 'Dataset 2',
backgroundColor: window.chartColors.blue,
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
]
}, {
label: 'Dataset 3',
backgroundColor: window.chartColors.green,
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
]
}]
};
window.onload = function() {
var ctx = document.getElementById('canvas').getContext('2d');
window.myBar = new Chart(ctx, {
type: 'bar',
data: barChartData,
options: {
title: {
display: true,
text: 'Chart.js Bar Chart - Stacked'
},
tooltips: {
mode: 'index',
intersect: false
},
responsive: true,
scales: {
xAxes: [{
stacked: true,
}],
yAxes: [{
stacked: true
}]
}
}
});
};
document.getElementById('randomizeData').addEventListener('click', function() {
barChartData.datasets.forEach(function(dataset) {
dataset.data = dataset.data.map(function() {
return randomScalingFactor();
});
});
window.myBar.update();
});
</script>
</body>
</html>

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<!doctype html>
<html>
<head>
<title>Bar Chart</title>
<script src="../../../dist/Chart.bundle.js"></script>
<script src="../../utils.js"></script>
<style>
canvas {
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
</style>
</head>
<body>
<div id="container" style="width: 75%;">
<canvas id="canvas"></canvas>
</div>
<button id="randomizeData">Randomize Data</button>
<button id="addDataset">Add Dataset</button>
<button id="removeDataset">Remove Dataset</button>
<button id="addData">Add Data</button>
<button id="removeData">Remove Data</button>
<script>
var MONTHS = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];
var color = Chart.helpers.color;
var barChartData = {
labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
datasets: [{
label: 'Dataset 1',
backgroundColor: color(window.chartColors.red).alpha(0.5).rgbString(),
borderColor: window.chartColors.red,
borderWidth: 1,
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
]
}, {
label: 'Dataset 2',
backgroundColor: color(window.chartColors.blue).alpha(0.5).rgbString(),
borderColor: window.chartColors.blue,
borderWidth: 1,
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
]
}]
};
window.onload = function() {
var ctx = document.getElementById('canvas').getContext('2d');
window.myBar = new Chart(ctx, {
type: 'bar',
data: barChartData,
options: {
responsive: true,
legend: {
position: 'top',
},
title: {
display: true,
text: 'Chart.js Bar Chart'
}
}
});
};
document.getElementById('randomizeData').addEventListener('click', function() {
var zero = Math.random() < 0.2 ? true : false;
barChartData.datasets.forEach(function(dataset) {
dataset.data = dataset.data.map(function() {
return zero ? 0.0 : randomScalingFactor();
});
});
window.myBar.update();
});
var colorNames = Object.keys(window.chartColors);
document.getElementById('addDataset').addEventListener('click', function() {
var colorName = colorNames[barChartData.datasets.length % colorNames.length];
var dsColor = window.chartColors[colorName];
var newDataset = {
label: 'Dataset ' + barChartData.datasets.length,
backgroundColor: color(dsColor).alpha(0.5).rgbString(),
borderColor: dsColor,
borderWidth: 1,
data: []
};
for (var index = 0; index < barChartData.labels.length; ++index) {
newDataset.data.push(randomScalingFactor());
}
barChartData.datasets.push(newDataset);
window.myBar.update();
});
document.getElementById('addData').addEventListener('click', function() {
if (barChartData.datasets.length > 0) {
var month = MONTHS[barChartData.labels.length % MONTHS.length];
barChartData.labels.push(month);
for (var index = 0; index < barChartData.datasets.length; ++index) {
// window.myBar.addData(randomScalingFactor(), index);
barChartData.datasets[index].data.push(randomScalingFactor());
}
window.myBar.update();
}
});
document.getElementById('removeDataset').addEventListener('click', function() {
barChartData.datasets.splice(0, 1);
window.myBar.update();
});
document.getElementById('removeData').addEventListener('click', function() {
barChartData.labels.splice(-1, 1); // remove the label first
barChartData.datasets.forEach(function(dataset) {
dataset.data.pop();
});
window.myBar.update();
});
</script>
</body>
</html>

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<!doctype html>
<html>
<head>
<title>Bubble Chart</title>
<script src="../../dist/Chart.bundle.js"></script>
<script src="../utils.js"></script>
<style type="text/css">
canvas{
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
</style>
</head>
<body>
<div id="container" style="width: 75%;">
<canvas id="canvas"></canvas>
</div>
<button id="randomizeData">Randomize Data</button>
<button id="addDataset">Add Dataset</button>
<button id="removeDataset">Remove Dataset</button>
<button id="addData">Add Data</button>
<button id="removeData">Remove Data</button>
<script>
var DEFAULT_DATASET_SIZE = 7;
var addedCount = 0;
var color = Chart.helpers.color;
var bubbleChartData = {
animation: {
duration: 10000
},
datasets: [{
label: 'My First dataset',
backgroundColor: color(window.chartColors.red).alpha(0.5).rgbString(),
borderColor: window.chartColors.red,
borderWidth: 1,
data: [{
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}]
}, {
label: 'My Second dataset',
backgroundColor: color(window.chartColors.orange).alpha(0.5).rgbString(),
borderColor: window.chartColors.orange,
borderWidth: 1,
data: [{
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}]
}]
};
window.onload = function() {
var ctx = document.getElementById('canvas').getContext('2d');
window.myChart = new Chart(ctx, {
type: 'bubble',
data: bubbleChartData,
options: {
responsive: true,
title: {
display: true,
text: 'Chart.js Bubble Chart'
},
tooltips: {
mode: 'point'
}
}
});
};
document.getElementById('randomizeData').addEventListener('click', function() {
bubbleChartData.datasets.forEach(function(dataset) {
dataset.data = dataset.data.map(function() {
return {
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
};
});
});
window.myChart.update();
});
var colorNames = Object.keys(window.chartColors);
document.getElementById('addDataset').addEventListener('click', function() {
++addedCount;
var colorName = colorNames[bubbleChartData.datasets.length % colorNames.length];
var dsColor = window.chartColors[colorName];
var newDataset = {
label: 'My added dataset ' + addedCount,
backgroundColor: color(dsColor).alpha(0.5).rgbString(),
borderColor: dsColor,
borderWidth: 1,
data: []
};
for (var index = 0; index < DEFAULT_DATASET_SIZE; ++index) {
newDataset.data.push({
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
});
}
bubbleChartData.datasets.push(newDataset);
window.myChart.update();
});
document.getElementById('addData').addEventListener('click', function() {
if (bubbleChartData.datasets.length > 0) {
for (var index = 0; index < bubbleChartData.datasets.length; ++index) {
bubbleChartData.datasets[index].data.push({
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
});
}
window.myChart.update();
}
});
document.getElementById('removeDataset').addEventListener('click', function() {
bubbleChartData.datasets.splice(0, 1);
window.myChart.update();
});
document.getElementById('removeData').addEventListener('click', function() {
bubbleChartData.datasets.forEach(function(dataset) {
dataset.data.pop();
});
window.myChart.update();
});
</script>
</body>
</html>

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<!doctype html>
<html>
<head>
<title>Combo Bar-Line Chart</title>
<script src="../../dist/Chart.bundle.js"></script>
<script src="../utils.js"></script>
<style>
canvas {
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
</style>
</head>
<body>
<div style="width: 75%">
<canvas id="canvas"></canvas>
</div>
<button id="randomizeData">Randomize Data</button>
<script>
var chartData = {
labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
datasets: [{
type: 'line',
label: 'Dataset 1',
borderColor: window.chartColors.blue,
borderWidth: 2,
fill: false,
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
]
}, {
type: 'bar',
label: 'Dataset 2',
backgroundColor: window.chartColors.red,
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
],
borderColor: 'white',
borderWidth: 2
}, {
type: 'bar',
label: 'Dataset 3',
backgroundColor: window.chartColors.green,
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
]
}]
};
window.onload = function() {
var ctx = document.getElementById('canvas').getContext('2d');
window.myMixedChart = new Chart(ctx, {
type: 'bar',
data: chartData,
options: {
responsive: true,
title: {
display: true,
text: 'Chart.js Combo Bar Line Chart'
},
tooltips: {
mode: 'index',
intersect: true
}
}
});
};
document.getElementById('randomizeData').addEventListener('click', function() {
chartData.datasets.forEach(function(dataset) {
dataset.data = dataset.data.map(function() {
return randomScalingFactor();
});
});
window.myMixedChart.update();
});
</script>
</body>
</html>

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<!doctype html>
<html>
<head>
<title>Doughnut Chart</title>
<script src="../../dist/Chart.bundle.js"></script>
<script src="../utils.js"></script>
<style>
canvas {
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
</style>
</head>
<body>
<div id="canvas-holder" style="width:40%">
<canvas id="chart-area"></canvas>
</div>
<button id="randomizeData">Randomize Data</button>
<button id="addDataset">Add Dataset</button>
<button id="removeDataset">Remove Dataset</button>
<button id="addData">Add Data</button>
<button id="removeData">Remove Data</button>
<script>
var randomScalingFactor = function() {
return Math.round(Math.random() * 100);
};
var config = {
type: 'doughnut',
data: {
datasets: [{
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
],
backgroundColor: [
window.chartColors.red,
window.chartColors.orange,
window.chartColors.yellow,
window.chartColors.green,
window.chartColors.blue,
],
label: 'Dataset 1'
}],
labels: [
'Red',
'Orange',
'Yellow',
'Green',
'Blue'
]
},
options: {
responsive: true,
legend: {
position: 'top',
},
title: {
display: true,
text: 'Chart.js Doughnut Chart'
},
animation: {
animateScale: true,
animateRotate: true
}
}
};
window.onload = function() {
var ctx = document.getElementById('chart-area').getContext('2d');
window.myDoughnut = new Chart(ctx, config);
};
document.getElementById('randomizeData').addEventListener('click', function() {
config.data.datasets.forEach(function(dataset) {
dataset.data = dataset.data.map(function() {
return randomScalingFactor();
});
});
window.myDoughnut.update();
});
var colorNames = Object.keys(window.chartColors);
document.getElementById('addDataset').addEventListener('click', function() {
var newDataset = {
backgroundColor: [],
data: [],
label: 'New dataset ' + config.data.datasets.length,
};
for (var index = 0; index < config.data.labels.length; ++index) {
newDataset.data.push(randomScalingFactor());
var colorName = colorNames[index % colorNames.length];
var newColor = window.chartColors[colorName];
newDataset.backgroundColor.push(newColor);
}
config.data.datasets.push(newDataset);
window.myDoughnut.update();
});
document.getElementById('addData').addEventListener('click', function() {
if (config.data.datasets.length > 0) {
config.data.labels.push('data #' + config.data.labels.length);
var colorName = colorNames[config.data.datasets[0].data.length % colorNames.length];
var newColor = window.chartColors[colorName];
config.data.datasets.forEach(function(dataset) {
dataset.data.push(randomScalingFactor());
dataset.backgroundColor.push(newColor);
});
window.myDoughnut.update();
}
});
document.getElementById('removeDataset').addEventListener('click', function() {
config.data.datasets.splice(0, 1);
window.myDoughnut.update();
});
document.getElementById('removeData').addEventListener('click', function() {
config.data.labels.splice(-1, 1); // remove the label first
config.data.datasets.forEach(function(dataset) {
dataset.data.pop();
dataset.backgroundColor.pop();
});
window.myDoughnut.update();
});
</script>
</body>
</html>

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<!doctype html>
<html>
<head>
<title>Line Chart</title>
<script src="../../../dist/Chart.bundle.js"></script>
<script src="../../utils.js"></script>
<style>
canvas{
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
</style>
</head>
<body>
<div style="width:75%;">
<canvas id="canvas"></canvas>
</div>
<br>
<br>
<button id="randomizeData">Randomize Data</button>
<button id="addDataset">Add Dataset</button>
<button id="removeDataset">Remove Dataset</button>
<button id="addData">Add Data</button>
<button id="removeData">Remove Data</button>
<script>
var MONTHS = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];
var config = {
type: 'line',
data: {
labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
datasets: [{
label: 'My First dataset',
backgroundColor: window.chartColors.red,
borderColor: window.chartColors.red,
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
],
fill: false,
}, {
label: 'My Second dataset',
fill: false,
backgroundColor: window.chartColors.blue,
borderColor: window.chartColors.blue,
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
],
}]
},
options: {
responsive: true,
title: {
display: true,
text: 'Chart.js Line Chart'
},
tooltips: {
mode: 'index',
intersect: false,
},
hover: {
mode: 'nearest',
intersect: true
},
scales: {
xAxes: [{
display: true,
scaleLabel: {
display: true,
labelString: 'Month'
}
}],
yAxes: [{
display: true,
scaleLabel: {
display: true,
labelString: 'Value'
}
}]
}
}
};
window.onload = function() {
var ctx = document.getElementById('canvas').getContext('2d');
window.myLine = new Chart(ctx, config);
};
document.getElementById('randomizeData').addEventListener('click', function() {
config.data.datasets.forEach(function(dataset) {
dataset.data = dataset.data.map(function() {
return randomScalingFactor();
});
});
window.myLine.update();
});
var colorNames = Object.keys(window.chartColors);
document.getElementById('addDataset').addEventListener('click', function() {
var colorName = colorNames[config.data.datasets.length % colorNames.length];
var newColor = window.chartColors[colorName];
var newDataset = {
label: 'Dataset ' + config.data.datasets.length,
backgroundColor: newColor,
borderColor: newColor,
data: [],
fill: false
};
for (var index = 0; index < config.data.labels.length; ++index) {
newDataset.data.push(randomScalingFactor());
}
config.data.datasets.push(newDataset);
window.myLine.update();
});
document.getElementById('addData').addEventListener('click', function() {
if (config.data.datasets.length > 0) {
var month = MONTHS[config.data.labels.length % MONTHS.length];
config.data.labels.push(month);
config.data.datasets.forEach(function(dataset) {
dataset.data.push(randomScalingFactor());
});
window.myLine.update();
}
});
document.getElementById('removeDataset').addEventListener('click', function() {
config.data.datasets.splice(0, 1);
window.myLine.update();
});
document.getElementById('removeData').addEventListener('click', function() {
config.data.labels.splice(-1, 1); // remove the label first
config.data.datasets.forEach(function(dataset) {
dataset.data.pop();
});
window.myLine.update();
});
</script>
</body>
</html>

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<!doctype html>
<html>
<head>
<title>Line Chart - Cubic interpolation mode</title>
<script src="../../../dist/Chart.bundle.js"></script>
<script src="../../utils.js"></script>
<style>
canvas{
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
</style>
</head>
<body>
<div style="width:75%;">
<canvas id="canvas"></canvas>
</div>
<br>
<br>
<button id="randomizeData">Randomize Data</button>
<script>
var randomScalingFactor = function() {
return Math.round(Math.random() * 100);
};
var datapoints = [0, 20, 20, 60, 60, 120, NaN, 180, 120, 125, 105, 110, 170];
var config = {
type: 'line',
data: {
labels: ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', '12'],
datasets: [{
label: 'Cubic interpolation (monotone)',
data: datapoints,
borderColor: window.chartColors.red,
backgroundColor: 'rgba(0, 0, 0, 0)',
fill: false,
cubicInterpolationMode: 'monotone'
}, {
label: 'Cubic interpolation (default)',
data: datapoints,
borderColor: window.chartColors.blue,
backgroundColor: 'rgba(0, 0, 0, 0)',
fill: false,
}, {
label: 'Linear interpolation',
data: datapoints,
borderColor: window.chartColors.green,
backgroundColor: 'rgba(0, 0, 0, 0)',
fill: false,
lineTension: 0
}]
},
options: {
responsive: true,
title: {
display: true,
text: 'Chart.js Line Chart - Cubic interpolation mode'
},
tooltips: {
mode: 'index'
},
scales: {
xAxes: [{
display: true,
scaleLabel: {
display: true
}
}],
yAxes: [{
display: true,
scaleLabel: {
display: true,
labelString: 'Value'
},
ticks: {
suggestedMin: -10,
suggestedMax: 200,
}
}]
}
}
};
window.onload = function() {
var ctx = document.getElementById('canvas').getContext('2d');
window.myLine = new Chart(ctx, config);
};
document.getElementById('randomizeData').addEventListener('click', function() {
for (var i = 0, len = datapoints.length; i < len; ++i) {
datapoints[i] = Math.random() < 0.05 ? NaN : randomScalingFactor();
}
window.myLine.update();
});
</script>
</body>
</html>

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<!doctype html>
<html>
<head>
<title>Line Styles</title>
<script src="../../../dist/Chart.bundle.js"></script>
<script src="../../utils.js"></script>
<style>
canvas{
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
</style>
</head>
<body>
<div style="width:75%;">
<canvas id="canvas"></canvas>
</div>
<script>
var config = {
type: 'line',
data: {
labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
datasets: [{
label: 'Unfilled',
fill: false,
backgroundColor: window.chartColors.blue,
borderColor: window.chartColors.blue,
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
],
}, {
label: 'Dashed',
fill: false,
backgroundColor: window.chartColors.green,
borderColor: window.chartColors.green,
borderDash: [5, 5],
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
],
}, {
label: 'Filled',
backgroundColor: window.chartColors.red,
borderColor: window.chartColors.red,
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
],
fill: true,
}]
},
options: {
responsive: true,
title: {
display: true,
text: 'Chart.js Line Chart'
},
tooltips: {
mode: 'index',
intersect: false,
},
hover: {
mode: 'nearest',
intersect: true
},
scales: {
xAxes: [{
display: true,
scaleLabel: {
display: true,
labelString: 'Month'
}
}],
yAxes: [{
display: true,
scaleLabel: {
display: true,
labelString: 'Value'
}
}]
}
}
};
window.onload = function() {
var ctx = document.getElementById('canvas').getContext('2d');
window.myLine = new Chart(ctx, config);
};
</script>
</body>
</html>

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<!doctype html>
<html>
<head>
<title>Line Chart Multiple Axes</title>
<script src="../../../dist/Chart.bundle.js"></script>
<script src="../../utils.js"></script>
<style>
canvas {
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
</style>
</head>
<body>
<div style="width:75%;">
<canvas id="canvas"></canvas>
</div>
<button id="randomizeData">Randomize Data</button>
<script>
var lineChartData = {
labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
datasets: [{
label: 'My First dataset',
borderColor: window.chartColors.red,
backgroundColor: window.chartColors.red,
fill: false,
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
],
yAxisID: 'y-axis-1',
}, {
label: 'My Second dataset',
borderColor: window.chartColors.blue,
backgroundColor: window.chartColors.blue,
fill: false,
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
],
yAxisID: 'y-axis-2'
}]
};
window.onload = function() {
var ctx = document.getElementById('canvas').getContext('2d');
window.myLine = Chart.Line(ctx, {
data: lineChartData,
options: {
responsive: true,
hoverMode: 'index',
stacked: false,
title: {
display: true,
text: 'Chart.js Line Chart - Multi Axis'
},
scales: {
yAxes: [{
type: 'linear', // only linear but allow scale type registration. This allows extensions to exist solely for log scale for instance
display: true,
position: 'left',
id: 'y-axis-1',
}, {
type: 'linear', // only linear but allow scale type registration. This allows extensions to exist solely for log scale for instance
display: true,
position: 'right',
id: 'y-axis-2',
// grid line settings
gridLines: {
drawOnChartArea: false, // only want the grid lines for one axis to show up
},
}],
}
}
});
};
document.getElementById('randomizeData').addEventListener('click', function() {
lineChartData.datasets.forEach(function(dataset) {
dataset.data = dataset.data.map(function() {
return randomScalingFactor();
});
});
window.myLine.update();
});
</script>
</body>
</html>

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<!doctype html>
<html>
<head>
<title>Different Point Sizes</title>
<script src="../../../dist/Chart.bundle.js"></script>
<script src="../../utils.js"></script>
<style>
canvas {
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
</style>
</head>
<body>
<div style="width:75%;">
<canvas id="canvas"></canvas>
</div>
<script>
var config = {
type: 'line',
data: {
labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
datasets: [{
label: 'dataset - big points',
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
],
backgroundColor: window.chartColors.red,
borderColor: window.chartColors.red,
fill: false,
borderDash: [5, 5],
pointRadius: 15,
pointHoverRadius: 10,
}, {
label: 'dataset - individual point sizes',
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
],
backgroundColor: window.chartColors.blue,
borderColor: window.chartColors.blue,
fill: false,
borderDash: [5, 5],
pointRadius: [2, 4, 6, 18, 0, 12, 20],
}, {
label: 'dataset - large pointHoverRadius',
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
],
backgroundColor: window.chartColors.green,
borderColor: window.chartColors.green,
fill: false,
pointHoverRadius: 30,
}, {
label: 'dataset - large pointHitRadius',
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
],
backgroundColor: window.chartColors.yellow,
borderColor: window.chartColors.yellow,
fill: false,
pointHitRadius: 20,
}]
},
options: {
responsive: true,
legend: {
position: 'bottom',
},
hover: {
mode: 'index'
},
scales: {
xAxes: [{
display: true,
scaleLabel: {
display: true,
labelString: 'Month'
}
}],
yAxes: [{
display: true,
scaleLabel: {
display: true,
labelString: 'Value'
}
}]
},
title: {
display: true,
text: 'Chart.js Line Chart - Different point sizes'
}
}
};
window.onload = function() {
var ctx = document.getElementById('canvas').getContext('2d');
window.myLine = new Chart(ctx, config);
};
</script>
</body>
</html>

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<!doctype html>
<html>
<head>
<title>Line Chart</title>
<script src="../../../dist/Chart.bundle.js"></script>
<script src="../../utils.js"></script>
<style>
canvas{
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
.chart-container {
width: 500px;
margin-left: 40px;
margin-right: 40px;
margin-bottom: 40px;
}
.container {
display: flex;
flex-direction: row;
flex-wrap: wrap;
justify-content: center;
}
</style>
</head>
<body>
<div class="container">
</div>
<script>
function createConfig(pointStyle) {
return {
type: 'line',
data: {
labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
datasets: [{
label: 'My First dataset',
backgroundColor: window.chartColors.red,
borderColor: window.chartColors.red,
data: [10, 23, 5, 99, 67, 43, 0],
fill: false,
pointRadius: 10,
pointHoverRadius: 15,
showLine: false // no line shown
}]
},
options: {
responsive: true,
title: {
display: true,
text: 'Point Style: ' + pointStyle
},
legend: {
display: false
},
elements: {
point: {
pointStyle: pointStyle
}
}
}
};
}
window.onload = function() {
var container = document.querySelector('.container');
[
'circle',
'triangle',
'rect',
'rectRounded',
'rectRot',
'cross',
'crossRot',
'star',
'line',
'dash'
].forEach(function(pointStyle) {
var div = document.createElement('div');
div.classList.add('chart-container');
var canvas = document.createElement('canvas');
div.appendChild(canvas);
container.appendChild(div);
var ctx = canvas.getContext('2d');
var config = createConfig(pointStyle);
new Chart(ctx, config);
});
};
</script>
</body>
</html>

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<!doctype html>
<html>
<head>
<title>Line Chart</title>
<script src="../../../dist/Chart.bundle.js"></script>
<script src="../../utils.js"></script>
<style>
canvas {
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
</style>
</head>
<body>
<div style="width:75%;">
<canvas id="canvas"></canvas>
</div>
<script>
var config = {
type: 'line',
data: {
labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
datasets: [{
label: 'My First dataset',
borderColor: window.chartColors.red,
fill: false,
// Skip a point in the middle
data: [
randomScalingFactor(),
randomScalingFactor(),
NaN,
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
],
}, {
label: 'My Second dataset',
borderColor: window.chartColors.blue,
fill: false,
// Skip first and last points
data: [
NaN,
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
NaN
],
}]
},
options: {
responsive: true,
title: {
display: true,
text: 'Chart.js Line Chart - Skip Points'
},
tooltips: {
mode: 'index',
},
hover: {
mode: 'index'
},
scales: {
xAxes: [{
display: true,
scaleLabel: {
display: true,
labelString: 'Month'
}
}],
yAxes: [{
display: true,
scaleLabel: {
display: true,
labelString: 'Value'
},
}]
}
}
};
window.onload = function() {
var ctx = document.getElementById('canvas').getContext('2d');
window.myLine = new Chart(ctx, config);
};
</script>
</body>
</html>

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<!doctype html>
<html>
<head>
<title>Stepped Line Chart</title>
<script src="../../../dist/Chart.bundle.js"></script>
<script src="../../utils.js"></script>
<style>
canvas {
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
.chart-container {
width: 500px;
margin-left: 40px;
margin-right: 40px;
margin-bottom: 40px;
}
.container {
display: flex;
flex-direction: row;
flex-wrap: wrap;
justify-content: center;
}
</style>
</head>
<body>
<div class="container">
</div>
<script>
function createConfig(details, data) {
return {
type: 'line',
data: {
labels: ['Day 1', 'Day 2', 'Day 3', 'Day 4', 'Day 5', 'Day 6'],
datasets: [{
label: 'steppedLine: ' + details.steppedLine,
steppedLine: details.steppedLine,
data: data,
borderColor: details.color,
fill: false,
}]
},
options: {
responsive: true,
title: {
display: true,
text: details.label,
}
}
};
}
window.onload = function() {
var container = document.querySelector('.container');
var data = [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
];
var steppedLineSettings = [{
steppedLine: false,
label: 'No Step Interpolation',
color: window.chartColors.red
}, {
steppedLine: true,
label: 'Step Before Interpolation',
color: window.chartColors.green
}, {
steppedLine: 'before',
label: 'Step Before Interpolation',
color: window.chartColors.green
}, {
steppedLine: 'after',
label: 'Step After Interpolation',
color: window.chartColors.purple
}];
steppedLineSettings.forEach(function(details) {
var div = document.createElement('div');
div.classList.add('chart-container');
var canvas = document.createElement('canvas');
div.appendChild(canvas);
container.appendChild(div);
var ctx = canvas.getContext('2d');
var config = createConfig(details, data);
new Chart(ctx, config);
});
};
</script>
</body>
</html>

97
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<!doctype html>
<html>
<head>
<title>Pie Chart</title>
<script src="../../dist/Chart.bundle.js"></script>
<script src="../utils.js"></script>
</head>
<body>
<div id="canvas-holder" style="width:40%">
<canvas id="chart-area"></canvas>
</div>
<button id="randomizeData">Randomize Data</button>
<button id="addDataset">Add Dataset</button>
<button id="removeDataset">Remove Dataset</button>
<script>
var randomScalingFactor = function() {
return Math.round(Math.random() * 100);
};
var config = {
type: 'pie',
data: {
datasets: [{
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
],
backgroundColor: [
window.chartColors.red,
window.chartColors.orange,
window.chartColors.yellow,
window.chartColors.green,
window.chartColors.blue,
],
label: 'Dataset 1'
}],
labels: [
'Red',
'Orange',
'Yellow',
'Green',
'Blue'
]
},
options: {
responsive: true
}
};
window.onload = function() {
var ctx = document.getElementById('chart-area').getContext('2d');
window.myPie = new Chart(ctx, config);
};
document.getElementById('randomizeData').addEventListener('click', function() {
config.data.datasets.forEach(function(dataset) {
dataset.data = dataset.data.map(function() {
return randomScalingFactor();
});
});
window.myPie.update();
});
var colorNames = Object.keys(window.chartColors);
document.getElementById('addDataset').addEventListener('click', function() {
var newDataset = {
backgroundColor: [],
data: [],
label: 'New dataset ' + config.data.datasets.length,
};
for (var index = 0; index < config.data.labels.length; ++index) {
newDataset.data.push(randomScalingFactor());
var colorName = colorNames[index % colorNames.length];
var newColor = window.chartColors[colorName];
newDataset.backgroundColor.push(newColor);
}
config.data.datasets.push(newDataset);
window.myPie.update();
});
document.getElementById('removeDataset').addEventListener('click', function() {
config.data.datasets.splice(0, 1);
window.myPie.update();
});
</script>
</body>
</html>

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<!doctype html>
<html>
<head>
<title>Polar Area Chart</title>
<script src="../../dist/Chart.bundle.js"></script>
<script src="../utils.js"></script>
<style>
canvas {
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
</style>
</head>
<body>
<div id="canvas-holder" style="width:50%">
<canvas id="chart-area"></canvas>
</div>
<button id="randomizeData">Randomize Data</button>
<button id="addData">Add Data</button>
<button id="removeData">Remove Data</button>
<script>
var randomScalingFactor = function() {
return Math.round(Math.random() * 100);
};
var chartColors = window.chartColors;
var color = Chart.helpers.color;
var config = {
data: {
datasets: [{
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
],
backgroundColor: [
color(chartColors.red).alpha(0.5).rgbString(),
color(chartColors.orange).alpha(0.5).rgbString(),
color(chartColors.yellow).alpha(0.5).rgbString(),
color(chartColors.green).alpha(0.5).rgbString(),
color(chartColors.blue).alpha(0.5).rgbString(),
],
label: 'My dataset' // for legend
}],
labels: [
'Red',
'Orange',
'Yellow',
'Green',
'Blue'
]
},
options: {
responsive: true,
legend: {
position: 'right',
},
title: {
display: true,
text: 'Chart.js Polar Area Chart'
},
scale: {
ticks: {
beginAtZero: true
},
reverse: false
},
animation: {
animateRotate: false,
animateScale: true
}
}
};
window.onload = function() {
var ctx = document.getElementById('chart-area');
window.myPolarArea = Chart.PolarArea(ctx, config);
};
document.getElementById('randomizeData').addEventListener('click', function() {
config.data.datasets.forEach(function(piece, i) {
piece.data.forEach(function(value, j) {
config.data.datasets[i].data[j] = randomScalingFactor();
});
});
window.myPolarArea.update();
});
var colorNames = Object.keys(window.chartColors);
document.getElementById('addData').addEventListener('click', function() {
if (config.data.datasets.length > 0) {
config.data.labels.push('data #' + config.data.labels.length);
config.data.datasets.forEach(function(dataset) {
var colorName = colorNames[config.data.labels.length % colorNames.length];
dataset.backgroundColor.push(window.chartColors[colorName]);
dataset.data.push(randomScalingFactor());
});
window.myPolarArea.update();
}
});
document.getElementById('removeData').addEventListener('click', function() {
config.data.labels.pop(); // remove the label first
config.data.datasets.forEach(function(dataset) {
dataset.backgroundColor.pop();
dataset.data.pop();
});
window.myPolarArea.update();
});
</script>
</body>
</html>

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<!doctype html>
<html>
<head>
<title>Radar Chart</title>
<script src="../../dist/Chart.bundle.js"></script>
<script src="../utils.js"></script>
<style>
canvas {
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
</style>
</head>
<body>
<div style="width:40%">
<canvas id="canvas"></canvas>
</div>
<button id="randomizeData">Randomize Data</button>
<script>
var randomScalingFactor = function() {
return Math.round(Math.random() * 100);
};
var color = Chart.helpers.color;
var config = {
type: 'radar',
data: {
labels: ['Eating', 'Drinking', 'Sleeping', 'Designing', 'Coding', 'Cycling', 'Running'],
datasets: [{
label: 'Skip first dataset',
borderColor: window.chartColors.red,
backgroundColor: color(window.chartColors.red).alpha(0.2).rgbString(),
pointBackgroundColor: window.chartColors.red,
data: [
NaN,
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
]
}, {
label: 'Skip mid dataset',
borderColor: window.chartColors.blue,
backgroundColor: color(window.chartColors.blue).alpha(0.2).rgbString(),
pointBackgroundColor: window.chartColors.blue,
data: [
randomScalingFactor(),
randomScalingFactor(),
NaN,
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
]
}, {
label: 'Skip last dataset',
borderColor: window.chartColors.green,
backgroundColor: color(window.chartColors.green).alpha(0.2).rgbString(),
pointBackgroundColor: window.chartColors.green,
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
NaN
]
}]
},
options: {
title: {
display: true,
text: 'Chart.js Radar Chart - Skip Points'
},
elements: {
line: {
tension: 0.0,
}
},
scale: {
beginAtZero: true,
}
}
};
window.onload = function() {
window.myRadar = new Chart(document.getElementById('canvas'), config);
};
document.getElementById('randomizeData').addEventListener('click', function() {
config.data.datasets.forEach(function(dataset) {
dataset.data = dataset.data.map(function() {
return randomScalingFactor();
});
});
window.myRadar.update();
});
</script>
</body>
</html>

146
WebRoot/node_modules/chart.js/samples/charts/radar.html generated vendored Normal file
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<!doctype html>
<html>
<head>
<title>Radar Chart</title>
<script src="../../dist/Chart.bundle.js"></script>
<script src="../utils.js"></script>
<style>
canvas {
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
</style>
</head>
<body>
<div style="width:40%">
<canvas id="canvas"></canvas>
</div>
<button id="randomizeData">Randomize Data</button>
<button id="addDataset">Add Dataset</button>
<button id="removeDataset">Remove Dataset</button>
<button id="addData">Add Data</button>
<button id="removeData">Remove Data</button>
<script>
var randomScalingFactor = function() {
return Math.round(Math.random() * 100);
};
var color = Chart.helpers.color;
var config = {
type: 'radar',
data: {
labels: [['Eating', 'Dinner'], ['Drinking', 'Water'], 'Sleeping', ['Designing', 'Graphics'], 'Coding', 'Cycling', 'Running'],
datasets: [{
label: 'My First dataset',
backgroundColor: color(window.chartColors.red).alpha(0.2).rgbString(),
borderColor: window.chartColors.red,
pointBackgroundColor: window.chartColors.red,
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
]
}, {
label: 'My Second dataset',
backgroundColor: color(window.chartColors.blue).alpha(0.2).rgbString(),
borderColor: window.chartColors.blue,
pointBackgroundColor: window.chartColors.blue,
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
]
}]
},
options: {
legend: {
position: 'top',
},
title: {
display: true,
text: 'Chart.js Radar Chart'
},
scale: {
ticks: {
beginAtZero: true
}
}
}
};
window.onload = function() {
window.myRadar = new Chart(document.getElementById('canvas'), config);
};
document.getElementById('randomizeData').addEventListener('click', function() {
config.data.datasets.forEach(function(dataset) {
dataset.data = dataset.data.map(function() {
return randomScalingFactor();
});
});
window.myRadar.update();
});
var colorNames = Object.keys(window.chartColors);
document.getElementById('addDataset').addEventListener('click', function() {
var colorName = colorNames[config.data.datasets.length % colorNames.length];
var newColor = window.chartColors[colorName];
var newDataset = {
label: 'Dataset ' + config.data.datasets.length,
borderColor: newColor,
backgroundColor: color(newColor).alpha(0.2).rgbString(),
pointBorderColor: newColor,
data: [],
};
for (var index = 0; index < config.data.labels.length; ++index) {
newDataset.data.push(randomScalingFactor());
}
config.data.datasets.push(newDataset);
window.myRadar.update();
});
document.getElementById('addData').addEventListener('click', function() {
if (config.data.datasets.length > 0) {
config.data.labels.push('dataset #' + config.data.labels.length);
config.data.datasets.forEach(function(dataset) {
dataset.data.push(randomScalingFactor());
});
window.myRadar.update();
}
});
document.getElementById('removeDataset').addEventListener('click', function() {
config.data.datasets.splice(0, 1);
window.myRadar.update();
});
document.getElementById('removeData').addEventListener('click', function() {
config.data.labels.pop(); // remove the label first
config.data.datasets.forEach(function(dataset) {
dataset.data.pop();
});
window.myRadar.update();
});
</script>
</body>
</html>

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<!doctype html>
<html>
<head>
<title>Scatter Chart</title>
<script src="../../../dist/Chart.bundle.js"></script>
<script src="../../utils.js"></script>
<style>
canvas {
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
</style>
</head>
<body>
<div style="width:75%">
<canvas id="canvas"></canvas>
</div>
<button id="randomizeData">Randomize Data</button>
<script>
var color = Chart.helpers.color;
var scatterChartData = {
datasets: [{
label: 'My First dataset',
borderColor: window.chartColors.red,
backgroundColor: color(window.chartColors.red).alpha(0.2).rgbString(),
data: [{
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}]
}, {
label: 'My Second dataset',
borderColor: window.chartColors.blue,
backgroundColor: color(window.chartColors.blue).alpha(0.2).rgbString(),
data: [{
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}]
}]
};
window.onload = function() {
var ctx = document.getElementById('canvas').getContext('2d');
window.myScatter = Chart.Scatter(ctx, {
data: scatterChartData,
options: {
title: {
display: true,
text: 'Chart.js Scatter Chart'
},
}
});
};
document.getElementById('randomizeData').addEventListener('click', function() {
scatterChartData.datasets.forEach(function(dataset) {
dataset.data = dataset.data.map(function() {
return {
x: randomScalingFactor(),
y: randomScalingFactor()
};
});
});
window.myScatter.update();
});
</script>
</body>
</html>

View File

@ -0,0 +1,139 @@
<!doctype html>
<html>
<head>
<title>Scatter Chart Multi Axis</title>
<script src="../../../dist/Chart.bundle.js"></script>
<script src="../../utils.js"></script>
<style>
canvas {
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
</style>
</head>
<body>
<div style="width:75%">
<canvas id="canvas"></canvas>
</div>
<button id="randomizeData">Randomize Data</button>
<script>
var color = Chart.helpers.color;
var scatterChartData = {
datasets: [{
label: 'My First dataset',
xAxisID: 'x-axis-1',
yAxisID: 'y-axis-1',
borderColor: window.chartColors.red,
backgroundColor: color(window.chartColors.red).alpha(0.2).rgbString(),
data: [{
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}]
}, {
label: 'My Second dataset',
xAxisID: 'x-axis-1',
yAxisID: 'y-axis-2',
borderColor: window.chartColors.blue,
backgroundColor: color(window.chartColors.blue).alpha(0.2).rgbString(),
data: [{
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
}]
}]
};
window.onload = function() {
var ctx = document.getElementById('canvas').getContext('2d');
window.myScatter = Chart.Scatter(ctx, {
data: scatterChartData,
options: {
responsive: true,
hoverMode: 'nearest',
intersect: true,
title: {
display: true,
text: 'Chart.js Scatter Chart - Multi Axis'
},
scales: {
xAxes: [{
position: 'bottom',
gridLines: {
zeroLineColor: 'rgba(0,0,0,1)'
}
}],
yAxes: [{
type: 'linear', // only linear but allow scale type registration. This allows extensions to exist solely for log scale for instance
display: true,
position: 'left',
id: 'y-axis-1',
}, {
type: 'linear', // only linear but allow scale type registration. This allows extensions to exist solely for log scale for instance
display: true,
position: 'right',
reverse: true,
id: 'y-axis-2',
// grid line settings
gridLines: {
drawOnChartArea: false, // only want the grid lines for one axis to show up
},
}],
}
}
});
};
document.getElementById('randomizeData').addEventListener('click', function() {
scatterChartData.datasets.forEach(function(dataset) {
dataset.data = dataset.data.map(function() {
return {
x: randomScalingFactor(),
y: randomScalingFactor()
};
});
});
window.myScatter.update();
});
</script>
</body>
</html>