Web Reference: The onunload event occurs once a page has unloaded (or the browser window has been closed). onunload occurs when the user navigates away from the page (by clicking on a link, submitting a form, closing the browser window, etc.). Mar 28, 2012 · Consider the following HTML snippet containing some javascript utilizing prompt and unload. The prompt() method works fine but I want alerting something like Goodbye, user when reloading or leaving the page. Nov 6, 2025 · Warning: Developers should avoid using this event. See "Usage notes" below. The unload event is fired when the document or a child resource is being unloaded. It is fired after: The document is in the following state:
YouTube Excerpt: Dr. Mark creates event handlers for
Information Profile Overview
Javascript Onload Onunload - Latest Information & Updates 2026 Information & Biography

Details: $33M - $60M
Salary & Income Sources

Career Highlights & Achievements

Assets, Properties & Investments
This section covers known assets, real estate holdings, luxury vehicles, and investment portfolios. Data is compiled from public records, financial disclosures, and verified media reports.
Last Updated: April 4, 2026
Information Outlook & Future Earnings

Disclaimer: Disclaimer: Information provided here is based on publicly available data, media reports, and online sources. Actual details may vary.








