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JS的事件机制 #9

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Pieces312 opened this issue Sep 19, 2020 · 0 comments
Open

JS的事件机制 #9

Pieces312 opened this issue Sep 19, 2020 · 0 comments
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@Pieces312
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Pieces312 commented Sep 19, 2020 •
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JavaScript是一个事件驱动的语言，也就是它必须等待事件被触发后才会进行相应代码段的执行。而负责处理事件的代码片段被称为事件处理程序（event handle）。
在一般页面中，常见的便是DOM事件，在DOM版本的不断变更中，产生了三个事件：DOM0级事件、DOM2级事件和DOM3级事件。他们分别对应的是：

  • DOM0级事件：on-event事件，window或document事件
  • DOM2级事件：addEventListener绑定的事件
  • DOM3级事件：鼠标、UI、焦点、文本、滚动等事件

事件流：是指网页元素接收事件的顺序，即事件捕获和事件冒泡。

文章链接：https://zhuanlan.zhihu.com/p/73091706
@Pieces312 Pieces312 changed the title CSS3贝塞尔属性了解多少？ JS的事件机制 Sep 20, 2020
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