Promises in JavaScript Explained With Examples | HARD Interview Question

Code repo - https://github.com/shrutikapoor08/jav... Cracking the React Interview book: https://tinyurl.com/shruti-react-inte... In this complete guide, you’ll learn everything about Promises in JavaScript. This is a must-know for asynchronous programming and coding interviews. We will cover - What Promises are and why we need them How Promises work with clear visual examples How to chain .then, .catch, and .finally And how to implement your own Promise from scratch (great for interviews!) This video is perfect if you’re learning asynchronous JavaScript, preparing for coding interviews, or just want to master how Promises really work. 👍 Like the video if it helped 💬 Comment your biggest takeaway 🔔 Subscribe for more JavaScript + React tutorials INTERVIEW RESOURCES 1. Cracking the React Interview: https://tinyurl.com/shruti-react-inte... 2. Practice JavaScript Interviews: https://www.greatfrontend.com/questio... 3. React Course: https://www.oreilly.com/library/view/... RECOMMENDED COURSES 1. React Course for beginners by Shruti Kapoor: https://www.oreilly.com/library/view/... 2. Become a FullStack Developer (20% off via this link): https://scrimba.com/fullstack-path-c0... HELPFUL RESOURCES 1. Sign Up to stay updated in React and AI: https://bit.ly/shruti-newsletter 2. FREE React Interview Questions Book: https://bit.ly/free-react-guide WORK WITH ME 1. Book 1:1 for Technical Guidance - https://topmate.io/shrutikapoor08 2. Want to do a mock interview? Join our Discord community: http://bit.ly/shruti-discord SOCIALS X / Twitter:   / shrutikapoor08   Discord: https://bit.ly/shruti-discord Web: https://shrutikapoor.dev/ Newsletter: https://bit.ly/shruti-newsletter Support me on GitHub: https://github.com/sponsors/shrutikap... CHAPTERS 00:00 Promises in real life 00:20 Intro 01:15 Why do we need Promises in JavaScript? 03:11 States of Promises 06:12 Implementing Promises 10:24 Asynchronous Nature of Promises 13:11 Microtasks vs Macrotasks 15:35 Building Custom Promises 18:27 Chaining Promises 26:03 Error Handling in Promises 30:19 The Finally Method 34:02 Advanced Promise Handling DISCLAIMER: Some of the above links may be affiliate links, meaning if you purchase a product or service via these links I may receive a small commission/reward, at no additional charge to you! Keywords JavaScript, promises, asynchronous programming, callbacks, error handling, chaining, web development, coding interviews, JavaScript fundamentals #javascript #coding #webdevelopment #shrutikapoor #javascriptpromises #webdevelopment #codinginterviewprep #frontenddeveloper #reactjs #learnjavascript #asyncawait #techeducation #programmingbasics #codetutorial #jsinterviewquestions #promises #javascriptpromisesinterview #promiseshardinterview #javascripttutorial #javascriptcourse #promiseshardquestion #promisesquestion #javascriptinterview #javascriptquestion #promisesinterview Sub: 12800