![]() In this article, I explain how to use setTimeout(), including how you can use it to make a sleep function that will cause JavaScript to pause execution and wait between successive lines of code. after encountering the same issue, I ended up on this thread. Edit the code to make changes and see it instantly in the preview. The problem arises from misunderstanding setTimeout() as a sleep() function, when it actually works according to its own set of rules. You may have tried it at some point in a JavaScript loop and seen that setTimeout() seems to not work at all. Unfortunately, setTimeout() does not work quite as you might expect, depending on how you use it. Sometimes you want your function to pause. “The setTimeout() method of the WindowOrWorkerGlobalScope mixin (and successor to tTimeout()) sets a timer which executes a function or specified piece of code once the timer expires.” - MDN Docs Learn how to make your function sleep for a certain amount of time in JavaScript. There’s no sleep() method in JavaScript, so you try to use the next best thing, setTimeout(). ![]() Let’s say you want to log three messages to Javascript’s console, with a delay of one second between each one. In this post, I'll discuss how you can achieve that and what it really means to 'pause' or 'sleep' in JavaScript. But one of the things which JavaScript misses is a way to 'pause' execution for a while and resume it later. “In computing, sleep is a command in Unix, Unix-like and other operating systems that suspends program execution for a specified time.” - Wikipedia One of those features are Promises, which are probably the most widely used feature in JavaScript after ES5 was released.
0 Comments
Leave a Reply. |
Details
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |