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![How To Create A Simple Alert For An onbeforeunload Event (Closing Browser or Navigating Away From Page) [updated] - DEV Community](https://media.dev.to/cdn-cgi/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fbvfooyuwdkym9exjlgrh.jpg "How To Create A Simple Alert For An onbeforeunload Event (Closing Browser or Navigating Away From Page) [updated] - DEV Community")
How To Create A Simple Alert For An onbeforeunload Event (Closing Browser or Navigating Away From Page) [updated] - DEV Community
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Alert before unload
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