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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>慕課網(wǎng)Wiki</title>
<style>
#imooc{
border:1px solid #ccc;
}
</style>
</head>
<body>
<canvas id="imooc">您的瀏覽器不支持 HTML5 canvas 標(biāo)簽</canvas>
<script>
const canvas = document.getElementById('imooc');
canvas.width=300
canvas.height=200
const ctx = canvas.getContext('2d');
ctx.rect(40,40,100,100)
ctx.fillStyle = "#456795"
// 設(shè)置陰影效果
ctx.shadowOffsetX = 10;
ctx.shadowOffsetY = 10;
ctx.shadowColor = "#ccc";
ctx.shadowBlur = 4;
ctx.fill();
</script>
<body>
</html>
運(yùn)行結(jié)果