Recent questions tagged onbeforeunload

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onbeforeunload - Prevent a webpage from navigating away using JavaScript

How to prevent a webpage from navigating away using JavaScript? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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onbeforeunload - beforeunload Event in ReactJS Not Working on Server

I have a ReactJS app in which I am using the beforeunload event to determine when a user leaves the page ... /questions/65905078/beforeunload-event-in-reactjs-not-working-on-server...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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502 views

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onbeforeunload 提示框关闭和刷新为什么sessionStorage能存下来，alert弹不上去？

http://www.runoob.com/jsref/e... 勾上之后再次刷新一下是根本不会触发函数体的我测试过这是为什么呢？不勾就可以啊 window.addEventListener("beforeunload" ... ？这是什么机制啊？ }); http://jsbin.com/zisazacani/e... JS Bin在线示例...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

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410 views

1 answer

onbeforeunload 提示框关闭和刷新为什么sessionStorage能存下来，alert弹不上去？

http://www.runoob.com/jsref/e... 勾上之后再次刷新一下是根本不会触发函数体的我测试过这是为什么呢？不勾就可以啊 window.addEventListener("beforeunload" ... ？这是什么机制啊？ }); http://jsbin.com/zisazacani/e... JS Bin在线示例...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

492 views

1 answer

onbeforeunload 提示框关闭和刷新为什么sessionStorage能存下来，alert弹不上去？

http://www.runoob.com/jsref/e... 勾上之后再次刷新一下是根本不会触发函数体的我测试过这是为什么呢？不勾就可以啊 window.addEventListener("beforeunload" ... ？这是什么机制啊？ }); http://jsbin.com/zisazacani/e... JS Bin在线示例...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

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