For a quick recap of the syntax involved, see Callback, Promise and Async/Await by Example in JavaScript. We can implement such a sleep function by combining the capabilities of Promises and Async/Await in JavaScript. But this is not to say we can't implement one! Unfortunately, this does not exist natively in JavaScript. console.log("Executing code.") Ī more convenient option would be to have something similar to: console.log("Executing code.")
This is due to the fact that setTimeout is an asynchronous function, hence one would have to continue the execution of the code, in the callback passed to it, after the elapsed time. The only problem is, using setTimeout is not as convenient as one would like. JavaScript does not have a similar sleep function, although it has the setTimeout function which can be used to achieve a similar purpose. Not surprising this functionality is often implemented via a function usually named sleep. Most popular mainstream languages have a sleep functionality that allows for the pausing of code execution for a specified amount of time.
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