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What Is the JavaScript Equivalent To The PHP sleep() Function?

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JavaScript does not have a direct equivalent to the PHP sleep() function, which pauses the execution of a script for a specified number of seconds. However, there are a few ways to achieve similar functionality in JavaScript.


The setTimeout() function is a built-in JavaScript function that allows you to run a piece of code after a specified amount of time. You can use it to create a delay in your script. Here’s an example:

In the example above, the console.log('Before Sleep') statement will be executed immediately, followed by a 3-second delay, after which the console.log('After Sleep') statement will be executed.

Another way to create a delay in JavaScript is to use the async/await syntax. With async/await, you can write asynchronous code that runs in a way that is similar to synchronous code. For example:

In this example, we’ve created an async function called sleep that returns a Promise that resolves after a specified amount of time. The main function uses the await keyword to wait for the sleep function to complete, effectively creating a 3-second delay.

Note that async/await is only supported in modern browsers and requires a runtime with support for Promises.

Both of these methods can be used to achieve a similar result to the PHP sleep() function, but with different syntax and limitations. Choose the method that works best for your use case.

Further reading.

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