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[css] 第484天 css加载会阻塞DOM树渲染吗? #2766

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第484天 css加载会阻塞DOM树渲染吗?

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longhui520

longhui520 commented on Aug 12, 2020

@longhui520
  • css 会阻塞渲染,但是不会阻塞dom的解析
Alex-Li2018

Alex-Li2018 commented on Aug 12, 2020

@Alex-Li2018

css资源的加载时开的一个异步进程的,dom的解析是在另外一个进程,所以不会阻塞,但是会阻塞render tree的形成进而影响页面的布局

zhangyu-lucy

zhangyu-lucy commented on Aug 14, 2020

@zhangyu-lucy

1.css加载不会阻塞DOM树的解析
2.css加载会阻塞DOM树的渲染
3.css加载会阻塞后面js语句的执行

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          [css] 第484天 css加载会阻塞DOM树渲染吗? · Issue #2766 · haizlin/fe-interview