mirror of
https://github.com/chartjs/Chart.js.git
synced 2024-10-06 12:19:08 +02:00
58 lines
2.2 KiB
HTML
58 lines
2.2 KiB
HTML
<!doctype html>
|
|
<html>
|
|
<head>
|
|
<title>Bar Chart</title>
|
|
<script src="../Chart.js"></script>
|
|
<script src="http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
|
|
</head>
|
|
<body>
|
|
<div style="width: 50%">
|
|
<canvas id="canvas" height="450" width="600"></canvas>
|
|
</div>
|
|
<button id="randomizeData">Randomize Data</button>
|
|
|
|
<script>
|
|
var randomScalingFactor = function(){ return Math.round(Math.random()*100)};
|
|
var randomColorFactor = function(){ return Math.round(Math.random()*255)};
|
|
|
|
var barChartData = {
|
|
labels : ["January","February","March","April","May","June","July"],
|
|
datasets : [
|
|
{
|
|
fillColor : "rgba(220,220,220,0.5)",
|
|
strokeColor : "rgba(220,220,220,0.8)",
|
|
highlightFill: "rgba(220,220,220,0.75)",
|
|
highlightStroke: "rgba(220,220,220,1)",
|
|
data : [randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor()]
|
|
},
|
|
{
|
|
fillColor : "rgba(151,187,205,0.5)",
|
|
strokeColor : "rgba(151,187,205,0.8)",
|
|
highlightFill : "rgba(151,187,205,0.75)",
|
|
highlightStroke : "rgba(151,187,205,1)",
|
|
data : [randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor()]
|
|
}
|
|
]
|
|
|
|
}
|
|
window.onload = function(){
|
|
var ctx = document.getElementById("canvas").getContext("2d");
|
|
window.myBar = new Chart(ctx).Bar(barChartData, {
|
|
responsive : true
|
|
});
|
|
}
|
|
|
|
$('#randomizeData').click(function(){
|
|
barChartData.datasets[0].fillColor = 'rgba(' + randomColorFactor() + ',' + randomColorFactor() + ',' + randomColorFactor() + ',.7)';
|
|
barChartData.datasets[0].data = [randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor()];
|
|
|
|
barChartData.datasets[1].fillColor = 'rgba(' + randomColorFactor() + ',' + randomColorFactor() + ',' + randomColorFactor() + ',.7)';
|
|
barChartData.datasets[1].data = [randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor()];
|
|
|
|
window.myBar.update();
|
|
});
|
|
|
|
</script>
|
|
</body>
|
|
</html>
|