Created
October 19, 2018 06:08
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离开页面前的监听事件
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| window.addEventListener("beforeunload", function (event) { | |
| if (!checkSomething()) { // 假设已存在此方法 | |
| // 标准 | |
| event.preventDefault(); | |
| // Chrome需要 | |
| event.returnValue = ''; | |
| } | |
| }); |
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