<ul data-eligibleForWebStory="false"><li>JavaScript's Event Loop allows handling asynchronous operations without blocking the main execution thread.</li><li>Understanding the correct order of logs in scenarios involving synchronous and asynchronous operations is crucial for JavaScript developers.</li><li>The popular problem of determining log order in a given code snippet involves console.log, setTimeout, and Promises.</li><li>The expected order for the given code snippet is: First, Fourth, Third, Second.</li><li>Despite code order, asynchronous operations like setTimeout and Promises are processed based on JavaScript's event-driven model.</li><li>console.log('First') is a synchronous operation executed immediately.</li><li>setTimeout is asynchronous and scheduled in the Callback Queue after the synchronous code.</li><li>Promises are part of the Microtask Queue and have higher priority than Macrotasks.</li><li>The 'Third' log from the Promise is handled once the current synchronous code finishes.</li><li>console.log('Fourth') is another synchronous operation executed after the Promise.</li><li>Operation order in JavaScript involves synchronous code execution, draining of Microtask Queue, and processing Macrotasks.</li></ul>

Operations Order with Asynchronous JavaScript

Discover more