and Daniel Khan's blog post All you need to know to really understand the Node.js Event Loop and its Metrics. In this lesson, you will learn how to use the Formidable nodejs-dashboard event loop delay to identify expensive operations in your code. Check if an array is empty or not in JavaScript. JavaScript doesn’t offer any wait command to add a delay to the loops but we can do so using setTimeout method. I tried to use a delay node to send one message at a time but I keep loosing values the way I set it up. async function itemRunner(item){await delay(); console.log(item);} Now if you try to use for loop on myitems array and call itemRunner, it will not wait itemRunners response. The event loop is what somehow organizing the callbacks or the responses of those events. Write Interview For CPU-bound tasks child_process and webworkers will help. Experience. I also want to put a delay between each iteration. I have recently been working with a Json object and running a for loop to get some values from it. In the beginning of the loop. Scenario. How to calculate the number of days between two dates in javascript? I also want to put a delay between each iteration. brightness_4 acknowledge that you have read and understood our, GATE CS Original Papers and Official Keys, ISRO CS Original Papers and Official Keys, ISRO CS Syllabus for Scientist/Engineer Exam. An example application with excessive synchronous file system write operations is used as well as the provided jmeter configuration to simulate load. How to make first letter of a string uppercase in JavaScript ? The easiest way to identify an event loop delay is by checking the additional time a timer takes to execute its callback. Typically you’re going to want your Node.js application to perform with low lag and high idle time in the event loop—this is usually a sign of an efficient application. How to set the default value for an HTML