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66 lines
2.2 KiB
HTML
66 lines
2.2 KiB
HTML
<!doctype html>
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<html>
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<head>
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<title>Line Chart</title>
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<script src="../Chart.js"></script>
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<script src="http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
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</head>
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<body>
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<div style="width:100%">
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<div>
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<canvas id="canvas" height="450" width="600"></canvas>
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</div>
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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 randomScalingFactor = function(){ return Math.round(Math.random()*100);};
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var randomColor = function(opacity){
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return 'rgba(' + Math.round(Math.random()*255) + ',' + Math.round(Math.random()*255) + ',' + Math.round(Math.random()*255) + ','+ (opacity || '.3') +')';
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};
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var lineChartData = {
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labels : ["January","February","March","April","May","June","July"],
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datasets : [
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{
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label: "My First dataset",
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data : [randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor()]
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},
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{
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label: "My Second dataset",
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data : [randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor()]
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}
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]
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};
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$.each(lineChartData.datasets, function(i, dataset){
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dataset.borderColor = randomColor(0.4);
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dataset.backgroundColor = randomColor(0.1);
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dataset.pointBorderColor = randomColor(0.7);
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dataset.pointBackgroundColor = randomColor(0.5);
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dataset.pointBorderWidth = 1;
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});
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console.log(lineChartData);
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window.onload = function(){
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var ctx = document.getElementById("canvas").getContext("2d");
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window.myLine = new Chart(ctx).Line(lineChartData, {
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responsive: true
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});
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};
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$('#randomizeData').click(function(){
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lineChartData.datasets[0].data = [randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor()];
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lineChartData.datasets[1].data = [randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor()];
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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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