How To Use Asyncawait And Promises In Javascript

Want to learn how JavaScript async / await works and why it’s what you need to know? I’ll take you through a brief history of callback based programming in JavaScript, the emergence of Promises, and how async / await is just hands down the best way of working with Promises in your code.. . Don’t forget to like and subscribe.. . –. 🐦 TWITTER: https://twitter.com/david_whitney. 🕸️ WEBSITE: https://www.davidwhitney.co.uk. 📖 DEV.TO: https://dev.to/david_whitney/. 👨🏻‍💻 GITHUB: https://github.com/davidwhitney/. 📲 LINKEDIN: https://www.linkedin.com/in/davidwhitney/. –. 0:00 Intro. 0:55 Quokka PRO. 1:42 Callbacks. 3:40 Using data in callbacks. 5:00 setTimeout and setInterval callbacks. 6:10 Making web requests. 8:30 Pyramids of callbacks are bad!. 9:00 Rewriting to use Promises. 11:30 promise.then() and promise.catch() method chaining. 13:00 async and await. 14:40 Using await. 15:20 Using try…catch for error handling. 16:40 Promisifying existing code. 18:00 Readable code!. 19:10 Simplifying the async code. 20:00 async / await everywhere!