Help Me/Question Is It Necessary To Use Both Settimeout() And Cleartimeout Methods For A Web Page?

Doominic anderson

White Belt
JavaScript has one of the most important features is Timer, which allows you to executes JavaScript functions after a specified period; thereby ,making it possible to add a new dimension time to your web pages.
Is it necessary to use both setTimeout() method and clearTimeout() methods for targeted web page?
 
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