麻烦老师检查下
来源：5-7 编程练习
Yuri沫
2020-04-23 13:46:53
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>canvas渐变</title>
<style>
canvas{background-color:black;}
</style>
</head>
<body>
<canvas id="canvas" width="800px" height="800px">您的浏览器不支持</canvas>
<script>
var canvas=document.getElementById("canvas");
var context=canvas.getContext("2d");
//在此处补充代码
var radial = context.createRadialGradient(600,400,0,400,400,200);
radial.addColorStop(0,"gray");
radial.addColorStop(0.2,"red");
radial.addColorStop(0.8,"gray");
radial.addColorStop(1,"black");
context.fillStyle = radial;
context.beginPath();
context.arc(400,400,200,0,2*Math.PI,false);
context.fill();
</script>
</body>
</html>
1回答
-
同学你好，代码实现正确，很棒 ！继续加油，祝学习愉快 ~
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