Q. What is the purpose of the event window.onpopstate?

  • (A) When a state object is replaced
  • (B) When a state object is added
  • (C) When a state object is removed
  • (D) None of the mentioned
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✅ Correct Answer: (C) When a state object is removed
Explanation: The window.onpopstate event is fired whenever a state object is removed from the browser history, which occurs on browser “back” or “forward”. State objects are persisted on the user’s hard disk between sessions, which is a nice feature. The object passed into a call to pushState or replaceState is provided as the state property on the event object in the “popstate” event.

Published by Mr. Dubey ⭐ 111.54K Points at 28-Apr-2024 06:52 pm in JavaScript

Explanation by: Mr. Dubey
The window.onpopstate event is fired whenever a state object is removed from the browser history, which occurs on browser “back” or “forward”. State objects are persisted on the user’s hard disk between sessions, which is a nice feature. The object passed into a call to pushState or replaceState is provided as the state property on the event object in the “popstate” event.

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