老师请检查
来源:4-5 编程练习
mokongh
2019-06-07 19:27:32
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>canvasL</title>
<style>
canvas{background-color:lightblue;}
</style>
</head>
<body>
<canvas id="canvas" width="600px" height="600px">您的浏览器不支持</canvas>
<script>
// 在此处写出代码
var canvas = document.getElementById("canvas");
var ctx = canvas.getContext('2d');
ctx.translate(100,200);
ctx.rotate(Math.PI / 3);
ctx.strokeRect(100,100,200,300);
</script>
</body>
</html>
1回答
樱桃小胖子
2019-06-09
缺少以下两部分
祝学习愉快!