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Editorial Team
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Asked: 2026-06-15T02:20:28+00:00

In JavaScript, we can add multiple functions to body’s onload or a button’s onclick.

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In JavaScript, we can add multiple functions to body’s onload or a button’s onclick. Is it possible to remove one of them, if we have the reference to the function ?

If possible, how to accomplish the same in jQuery and also plain JavaScript ?

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1 Answer

  1. Editorial Team

    Yes, but it depends on how the handler was attached in the first place.

    If you used addEventListener, you can unbind using removeEventListener.

    If you used jQuery, you can use .unbind().

    If you used attachEvent, you can use detachEvent().

    If you used onclick or other onxxx functions, you can remove them by assigning null, f.ex elem.onclick = null.

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