老师，这样可以吗？

来源：5-2 编程练习

慕丝5187111

2018-11-04 10:34:37

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>canvas渐变</title>
</head>
<body>
    <canvas id="canvas" width="600px" height="600px">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 linearGradient = context.createLinearGradient(50,50,250,250);
        linearGradient.addColorStop(0,'orange');
        linearGradient.addColorStop(0.5,'pink');
        linearGradient.addColorStop(1,'blue');
        context.fillStyle = linearGradient;
        context.arc(150,150,100,0,2*Math.PI,true);
        context.stroke();
        context.fill();
        
    </script>
</body>
</html>

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