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webveuje
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javascript
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19事件流.md
luyuan
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2020-12-25 09:35:21 +08:00
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事件冒泡与捕获
事件冒泡会从内往外厨房事件
事件捕获会从外向内触发(传播)
使用监听事件 第三个参数 ture 就是事件捕获