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