意外发现百度把 MutationObserver 覆盖为 null 了 - V2EX
en20

意外发现百度把 MutationObserver 覆盖为 null 了

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  •   en20 Oct 22, 2020 1870 views
    This topic created in 2027 days ago, the information mentioned may be changed or developed.
    今天在写一个双击显示密码,失去焦点隐藏的油猴,意外发现百度把 MutationObserver 覆盖为 null 了,我在其他网站都没发现有人覆写,请问这是出于什么目的?
    7 replies    2021-06-07 14:05:14 +08:00
    en20
        1
    en20  
    OP
       Oct 22, 2020
    en20
        2
    en20  
    OP
       Oct 22, 2020   1
    可能有很多不是前端的同学,我介绍一下 MutationObserver 是现代浏览器提供的用来检测 DOM 变化的网页接口。你可以使用这个接口来监听新增或者删除节点,属性更改,或者文本节点的内容更改。
    autoxbc
        3
    autoxbc  
       Oct 22, 2020
    其实 ondblclick 也是破坏性的,标准的做法是用 DOM2 级事件;
    以及,利用 MutationObserver 的 addedNodes 属性,可以提高效率并不用防抖;
    en20
        4
    en20  
    OP
       Oct 22, 2020
    @autoxbc 感谢,明天再改一下
    myqoo
        5
    myqoo  
       Oct 23, 2020
    让各种依赖 MutationObserver 的插件失效。不过破解办法也是非常简单的,只能针对那些不再更新的插件。
    MinonHeart
        6
    MinonHeart  
       Oct 23, 2020
    document-start 时自己存一份( window.sss = MutationObserver )
    Huelse
        7
    Huelse  
       Jun 7, 2021
    请问这个问题怎么解决呀?试了下你的代码似乎行不通了?
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