<!DOCTYPE html>
<html>
<head>
<title>绘制矩形</title>
<script type="text/javascript">
function draw() {
var canvas = document.getElementById("cv");
//alert(canvas);
var cxt=canvas.getContext("2d");
cxt.fillStyle="#FF0000";
cxt.fillRect(0,0,150,75);
}
</script>
</head>
<body onload="draw();">
<canvas id="cv" width="500px" height="400px" style="border:1px solid red">
</canvas>
</body>
</html>
html5画布矩形
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转载自hylxinlang.iteye.com/blog/1882925
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