Electron browser hangs/errors on apps with window.onbeforeunload alerts · Issue #2118 · cypress-io/cypress · GitHub
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Alert before unload
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Easy fix for: Blocked attempt to show a 'beforeunload' confirmation panel for a frame that never had a user gesture since its load
javascript - Is it possible to display a custom message in the beforeunload popup? - Stack Overflow
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Sure you want to leave?—browser beforeunload event - DEV Community
block confirm function before unload · Issue #28 · jacobbuck/react- beforeunload · GitHub
javascript - Is it possible to display a custom message in the beforeunload popup? - Stack Overflow
![ROOMY - NATION: [JavaScript] Blocked alert() during beforeunload](http://1.bp.blogspot.com/-apQJH_M8h9A/WVtm6apCgCI/AAAAAAAABvM/h-8bJvIe3XETmetHTdiCHSg7OnppWxr6gCK4BGAYYCw/s1600/block.png "ROOMY - NATION: [JavaScript] Blocked alert() during beforeunload")
ROOMY - NATION: [JavaScript] Blocked alert() during beforeunload
Comparing the Different Types of Native JavaScript Popups | CSS-Tricks - CSS-Tricks
block confirm function before unload · Issue #28 · jacobbuck/react- beforeunload · GitHub
![ROOMY - NATION: [JavaScript] Blocked alert() during beforeunload](https://1.bp.blogspot.com/-apQJH_M8h9A/WVtm6apCgCI/AAAAAAAABvM/h-8bJvIe3XETmetHTdiCHSg7OnppWxr6gCK4BGAYYCw/w1200-h630-p-k-no-nu/block.png "ROOMY - NATION: [JavaScript] Blocked alert() during beforeunload")
ROOMY - NATION: [JavaScript] Blocked alert() during beforeunload
Easy fix for: Blocked attempt to show a 'beforeunload' confirmation panel for a frame that never had a user gesture since its load
![Javascript] 關閉瀏覽器或分頁事件: beforeunload](https://1.bp.blogspot.com/-iGAFjyHIe1k/XS8yGo75d8I/AAAAAAAAQpE/q8nE_tj9JxoFi6nsPQTMMZ6MPtmCbJcJgCLcBGAs/w1200-h630-p-k-no-nu/carbon.png "Javascript] 關閉瀏覽器或分頁事件: beforeunload")
Javascript] 關閉瀏覽器或分頁事件: beforeunload
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window.onbeforeunload and Cypress | Better world by better software
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