单选以下关于web worker的说法，不正确的是（） -题库考试答案搜索网

单选以下关于web worker的说法，不正确的是（）

单选题

2021-09-06 21:14

A、webworker是运行在后台的JavaScript程序
B、webworker会影响页面的性能
C、如需终止webworker，并释放浏览器/计算机资源，可以使用terminate()方法
D、由于webworker位于外部文件中，无法访问window、document对象

查看答案

正确答案

B

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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