chart.js
Version:
Simple HTML5 charts using the canvas element.
102 lines (96 loc) • 3.19 kB
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>