为什么这个颜色不变了

来源：3-5 编程练习

Ting111

2020-07-02 14:40:12

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>canvas</title>
    <style>
        canvas{background-color:lightpink;}
    </style>
</head>
<body>
    <canvas id="canvas" width="600" height="600">
        您的浏览器不支持canvas
    </canvas>
    <script>
	//在此处填写代码
	var content=canvas.getContext('2d');
	content.moveTo(298,100);
	content.lineTo(148,448);
	content.stroke();
	content.strokeStyle='red'; 
	
	</script>
</body>

</html>

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