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前端为什么操作 DOM 是最耗性能的呢？ - 知乎
source link: https://www.zhihu.com/question/324992717/answer/707044362
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不一定。预备知识（关于 DOM/BOM 对象和普通 JS 对象的关系，我之前也回答过：ECMAScript中的对象和DOM B…
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