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JavaScript Tutorial For Beginners #41 - Window onLoad Event
HTML : javascript beforeunload detect refresh versus close
Learn JavaScript KEY EVENTS in 10+ minutes! ⌨
Stub the BeforeUnloadEvent.prototype.preventDefault Method
JavaScript : Capturing window.onbeforeunload
Learn JavaScript Event Listeners In 18 Minutes
JavaScript : Is it possible to display a custom message in the beforeunload popup
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Last Updated: August 13, 2026
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