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858d86eebb
While the second dataset already has a label ("My Second dataset") the first dataset showed "undefined" as a label. Added a label to the first dataset object.
97 lines
2.2 KiB
HTML
97 lines
2.2 KiB
HTML
<!doctype html>
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<html>
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<head>
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<title> Animation Callbacks </title>
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<script src="../../dist/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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<progress id="animationProgress" max="1" value="0" style="width: 100%"></progress>
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</div>
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<br>
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<br>
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<button id="randomizeData">Randomize Data</button>
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<script>
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var progress = document.getElementById('animationProgress');
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var config = {
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type: 'line',
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data: {
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labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
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datasets: [{
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label: 'My First dataset',
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fill: false,
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borderColor: window.chartColors.red,
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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: 'My Second dataset ',
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fill: false,
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borderColor: window.chartColors.blue,
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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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},
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options: {
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title: {
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display: true,
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text: 'Chart.js Line Chart - Animation Progress Bar'
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},
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animation: {
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duration: 2000,
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onProgress: function(animation) {
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progress.value = animation.currentStep / animation.numSteps;
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},
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onComplete: function() {
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window.setTimeout(function() {
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progress.value = 0;
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}, 2000);
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}
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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.myLine = new Chart(ctx, config);
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};
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document.getElementById('randomizeData').addEventListener('click', function() {
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config.data.datasets.forEach(function(dataset) {
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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.myLine.update();
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});
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</script>
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</body>
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</html>
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