JavaScript事件流捕获的相关内容

文章 2024-07-04 来自：开发者社区

js 事件流、事件冒泡、事件捕获、阻止事件的传播

事件流 js 事件的执行过程分为捕获阶段（由外层节点传播到内层节点）和冒泡阶段（由内层节点传播到外层节点），即先执行捕获阶段的代码，后执行冒泡阶段的代码事件冒泡 js 事件中的代码默认在冒泡阶段执行，以下图为例，点击box2时，会依次触发box2的点击事件【冒泡阶段执行】、box1的点击事件【冒泡阶段执行】、window的点击事件【冒泡阶...

文章 2023-02-27 来自：开发者社区

js事件流：捕获阶段和冒泡阶段

事件流：事件流包含三个阶段：事件捕捉阶段：事件开始由顶层对象触发，然后逐级向下传播，直到目标元素；处于目标阶段：处在绑定事件的元素上；事件冒泡阶段：事件由具体的元素先接收，然后逐级向上传播，直到不具体的元素；通过代码示例说明：<style> #a { width: 300px; height: 300px; background-color: #eeeee...

文章 2022-09-10 来自：开发者社区

js事件流：捕获阶段和冒泡阶段

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更新时间 2024-07-05 12:59:30

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