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13问答网 > 用addEventListener给dom添加函数,在得到的dom结点上找不到对应函数,怎么办?

用addEventListener给dom添加函数,在得到的dom结点上找不到对应函数,怎么办?

2025-03-15 19:42:48

推荐回答（2个）

回答1：

实际上，按我的理解，Btn2.onclick这个是给这个dom标签的onclick参数赋值，所以你在调用dom.onclick是有值的，addEventListener这个是给dom对象加了一个监听的事件，这些函数都会在click时候触发。一个是为标签元素赋值参数，一个是为dom对象添加事件。具体内部怎么实现我也不知道，期待高人解答。

回答2：

chrome的控制台可以获取Dom节点上绑定的事件。

https://developers.google.com/chrome-developer-tools/docs/commandline-api#geteventlistenersobject

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