html5画出矩形 

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<style type="text/css">
    canvas{
        background-color: red;
    }
</style>
</head>
<body>
<canvas id="myCanvas"/>
</body>
<script type="text/javascript">
var c=document.getElementById("myCanvas");//获取html5标签
var cxt=c.getContext("2d");//获取画笔
cxt.fillStyle="grey";//设置画图颜色
cxt.fillRect(0,0,150,75);//沿画布0，0位置画出150*75的矩形
</script>
</html>

 

posted on 2017-03-26 13:36  老邱2  阅读(166)  评论(0)  编辑  收藏  举报

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