<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>使用canvas标签绘图</title>
</head>
<body>
<canvas id="MyCanvas">your browser does not support the canvas tag </canvas>
<script type="text/javascript">
var canvas = document.getElementById("MyCanvas");
var ctx = canvas.getContext('2d');
ctx.fillStyle='#FF0000';
ctx.fillRect(0,0,100,100);/*结果得出的是一个红色的边长为100px的正方形*/
</script>
</body>
</html>
使用canvas标签绘图
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转载自blog.csdn.net/Gadxiong/article/details/80170275
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