Does a JavaScript setTimeout function clear itself upon completion?

Question

Does the setTimeout function clear/destroy itself when done, or do I need to manually call clearTimeout within the callback?

AlfonsoML · Accepted Answer · 2015-07-18 21:24:37Z

11

It clears itself.

You only have to call clearTimeout if you want to cancel it before it fires.

answered Jul 18, 2015 at 21:24

AlfonsoML

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Jan Jouke Tjalsma · Accepted Answer · 2015-07-18 21:36:55Z

8

Yes it clears itself automatically when the timeout finishes and the function is fired.

The manual clearing is used to stop the countdown from finishing and the callback from firing. It has no function in the callback since the timeout is already cleared.

edited Jul 18, 2015 at 21:36

answered Jul 18, 2015 at 21:21

Jan Jouke Tjalsma

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1 Comment

abs Over a year ago

You dont have to do cleartimeout, It is used to stop timer

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