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单选 有这样一个canvas元素：如果有以下代码，则对代码的说明，不正确的是（ ）

单选题
2021-09-08 14:07
A、 JavaScript中首先使用id来寻找canvas元素
B、 HTML5通过调用canvas对象的getContext()方法来获取绘图环境
C、 cxt.fillRect(0,0,100,50)语句将从原点开始分别绘制两条线段
D、 canvas对象的大小为宽200px，高100px
查看答案
正确答案
C
试题解析
标签： 广东开放大学 20年春季期末考试 HTML5开发技术
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