Freshbooks — Sponsor If you are a small business or freelancer check out Freshbooks.com Cloud Accountingand get 30 days free. Make sure to enter SYNTAX into the "How did you hear about us" section. Show Notes 02:55 Wes' Async + Await talk on YouTube from DotJS JavaScript is Asynchronous Ryan Dhal (Creator of Node.js) original Node.js talk 06:00 Callback Hell Q Bluebird What is a promise? Promises are an IOU 8:30 Async + Await IS promises What is Async + Await? How does the code look? Returning values from an await 15:20 Performance Considerations MEGA PROMISES Promise.all() Here is an example: const [weather, store] = Promise.all(getWeather(), getStores()); 19:22 This stuff is 100% native Most new Browser APIs are build on Promises Fetch() Some examples: await fetch(' https://api.github.com/users/wesbos').then(data => data.json()) OR await (await fetch(' https://api.github.com/users/wesbos')).json() Axios 22:48 The Payment Request API You should listen to episode 006 on accepting money on the internet Web Animation API 27:00 Snackisodes Snack Packs Hasty Treats?!!! 28:00 Making callback-based functions promised basked es6-promisify util.promisify() 30:00 Error Handling Methods View my slides for some code examples. Try/Catch High Order Function Just handle the error when you callIt().catch(dealWithIt); Node's process.on('unhandledRejection') event 36:00 Browser Support Babel it! 38:00 AbortController() Abortable Fetch SIIIIICK PICKS 42:00 Scott: Ring Doorbell Wes: The Indicator Podcast 47:00 Sick Tip Chrome's Autoplay is changing Details on this Visit chrome://media-engagement to see your scores Shameless Plugs Fullstack GraphQL CSS Grid Course is coming sooooon! Tweet us your tasty treats! Scott's Instagram LevelUpTutorials Instagram Wes' Instagram Wes' Twitter Wes' Facebook Scott's Twitter Make sure to include @SyntaxFM in your tweets