chart.js
Version:
Simple HTML5 charts using the canvas element.
94 lines (87 loc) • 3.16 kB
HTML
<html>
<head>
<title>Chart with xAxis Filtering</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 MONTHS = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];
var randomScalingFactor = function() {
return Math.round(Math.random() * 50 * (Math.random() > 0.5 ? 1 : 1)) + 50;
};
var config = {
type: 'line',
data: {
labels: ["January", "February", "March", "April", "May", "June", "July"],
datasets: [{
label: "My First dataset",
fill: false,
borderColor: window.chartColors.red,
backgroundColor: window.chartColors.red,
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
]
}, {
label: "My Second dataset",
fill: false,
borderColor: window.chartColors.blue,
backgroundColor: window.chartColors.blue,
data: [
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor(),
randomScalingFactor()
]
}]
},
options: {
responsive: true,
title:{
display:true,
text:"Chart.js Line Chart - X-Axis Filter"
},
scales: {
xAxes: [{
display: true,
ticks: {
callback: function(dataLabel, index) {
// Hide the label of every 2nd dataset. return null to hide the grid line too
return index % 2 === 0 ? dataLabel : '';
}
}
}],
yAxes: [{
display: true,
beginAtZero: false
}]
}
}
};
window.onload = function() {
var ctx = document.getElementById("canvas").getContext("2d");
window.myLine = new Chart(ctx, config);
};
</script>
</body>
</html>