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JavaScript停止冒泡和阻止浏览器默认行为 #3

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Gtanxingwen opened this issue Sep 6, 2017 · 0 comments
Open

JavaScript停止冒泡和阻止浏览器默认行为 #3

Gtanxingwen opened this issue Sep 6, 2017 · 0 comments

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@Gtanxingwen
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Gtanxingwen commented Sep 6, 2017 •
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事件兼容

function fn(e) { var event = e ? e : window.event }

阻止冒泡

function fn(e) { window.event ? window.event.canceBubble = true : e.stopPropagation() }

阻止默认行为

function fn(e) { window.event ? window.event.returnValue = false : e.preventDefault() }
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