Approach 2: Using async/await: In this approach, the creation of the sleep() function in JavaScript can be done using async/await. 2 for the records and future searchs: this can be very helpful for who is actually using Selenium with Javascript and React, because you can wait some seconds while React recalculates the page after e.g.
The function displays the message before and after sleep in the console. In vanilla JavaScript - we can use the built-in setTimeout() function to "sleep"/delay code execution: setTimeout( function ( ), 1000) Ĭonst timeout2 = setTimeout(printMessage, 2000) Ĭonsole. Explanation: In this example, we have defined the main function that calls the sleep function with a time span of 2 seconds. In this short guide, we’ll learn how to wait in JavaScript - or rather, how to sleep/delay code execution, using the setTimeout() function. The two key methods to use with JavaScript are: setTimeout ( function, milliseconds) Executes a function, after waiting a specified number of milliseconds. Each request might take 2 seconds but it doesnt stop the number of requests done. setTimeout () accepts time in milliseconds, so setTimeout (fn, 1000) tells JavaScript to call fn after 1 second. Note: Delaying Code Execution is colloquially known as "sleeping" or less commonly as "waiting". For example, sleep(0.25) will pause program execution for 0 seconds. To delay a function execution in JavaScript by 1 second, wrap a promise execution inside a function and wrap the Promise's resolve () in a setTimeout () as shown below.
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