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

  2. 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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    Workspace

    Answer : Option C

    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.


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