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前端杂谈: DOM event 原理

 5 years ago
source link: https://juejin.im/post/5bf6330f6fb9a049b41c1934
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DOM 事件是前端开发者习以为常的东西. 事件的监听和触发使用起来都非常方便, 但是他们的原理是什么呢? 浏览器是怎样处理 event绑定和触发的呢? 让我们通过实现一个简单的event 处理函数, 来详细了解一下. 首先, 如何注册 event ? 这个相比

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