Unlike other programming languages such as C that provide a sleep function, which allows us to sleep a given thread while waiting for another to execute, JavaScript doesn’t have this function. Use the await() Keyword to Pause Execution of Codes in Node.js Here is a simple example of using the setTimeout() function to execute functions at a different time interval specified as milliseconds.įunction repeatedly executed after every 2 seconds! This function returns an integer known as the timeout ID that can reference the object created by the setTimeout() function.
The number in milliseconds that the timer will wait before executing the specified function.The function to be executed after the set time interval.The setTimeout() function accepts many parameters, two of which are compulsory while the rest are optional. The setTimeout() method is an asynchronous method that allows us to execute a function once after given time intervals. setInterval() Use the setTimeout() Method to Schedule the Execution of Codes in Node.js.Node.js provides us with two built-in functions that we can use to schedule the execution of functions in Node.js and JavaScript. In Node.js (or programming in general), there are scenarios where we need a certain code or script executed periodically. Use the await() Keyword to Pause Execution of Codes in Node.js.Use the setInterval() Method to Schedule the Execution of Codes in Node.js.Use the setTimeout() Method to Schedule the Execution of Codes in Node.js.Because these features have helped us to use sleep() as easy as possible. But we should thank promises and async/await function in ES 2018. Javascript doesn't have these kinds of sleep functions. Java has thread.sleep(), python has time.sleep() and GO has time.Sleep(2 * time.Second). In programming languages such as C and Php we would call sleep(sec).
With the help of Sleep() we can make a function to pause execution for a fixed amount of time.
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