So, it allows users to use the Promise object to deal with all asynchronous actions. The working of JavaScript has an asynchronous action. This article will show how to use the JavaScript sleep function and the alternative method for using sleep from an external code to get the functionality of the sleep function. Unlike other programming languages, JavaScript does not allow the execution of a built-in sleep() function.Įither the user needs to create a custom sleep() function using the built-in setTimeout() function, or they can use the latest ECMAScript promises like the async-await function. To pause execution in any programming language for a fixed amount of time, programmers use the sleep() function, which is also possible in JavaScript.
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