![]() ![]() Spoiler: JavaScript never really "pauses". In this post, I'll discuss how you can achieve that and what it really means to "pause" or "sleep" in JavaScript. One of those features are Promises, which are probably the most widely used feature in JavaScript after ES5 was released.īut one of the things which JavaScript misses is a way to "pause" execution for a while and resume it later. More and more ideas and features are being ported from different languages and being integrated in JavaScript. Here's an example: console. ![]() Wait using setTimeout One of the easiest way to achieve a 1 second delay is by using the setTimeout function that lives on the window global object. Some are better than others and some should only be used in specific circumstances. Syntax await expression Parameters expression A Promise, a thenable object, or any value to wait for. There are quite a few ways to tell JavaScript to wait for 1 second. It can only be used inside an async function or at the top level of a module. And it hasn't been the same since ES5 was released. The await operator is used to wait for a Promise and get its fulfillment value.
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