23 min listen
What's New in Javascript
ratings:
Length:
48 minutes
Released:
May 13, 2020
Format:
Podcast episode
Description
In this episode of Syntax, Scott and Wes talk about what is new in Javascript — a whole bunch of new stuff that you can use now and in the next sixth months or so. LogRocket - Sponsor LogRocket lets you replay what users do on your site, helping you reproduce bugs and fix issues faster. It’s an exception tracker, a session re-player and a performance monitor. Get 14 days free at logrocket.com/syntax. Freshbooks - Sponsor Get a 30 day free trial of Freshbooks at freshbooks.com/syntax and put SYNTAX in the “How did you hear about us?” section. Show Notes ES2019 04:03 - Array.flatMap() 05:30 - Array.flat() 07:37 - Array.fromEntries() 09:50 - String.trimStart() and String.trimEnd() 11:23 - Function.toString() 11:57 - Object Key Order Integer keys in ascending order (and strings like “1” that parse as ints) String keys, in insertion order (ES2015 guarantees this and all browsers comply) Symbol names, in insertion order (ES2015 guarantees this and all browsers comply) ES2020 14:50 - Big int 18:09 - Nullish coalescing 20:57 - Optional Chaining 24:55 - promise.allSettled 25:33 - Dynamic import 27:14 - string.matchAll(regex) and string.replaceAll 29:30 - globalThis 30:44 - Module Namespace Exports 33:11 - Navigator.share() API 36:34 - Async Hooks 37:39 - Pipline Operator 39:59 - Top Level Await Links https://twitter.com/wesbos/status/1181584047144878080 https://twitter.com/wesbos/status/1238472679893671938 https://twitter.com/wesbos/status/1230515254687301635 Regex101 Regexr https://developer.mozilla.org/en-US/docs/Web/API/Navigator/canShare Sketch CloudApp Figma https://nodejs.org/api/async_hooks.html Gulp https://v8.dev/features/top-level-await https://github.com/tc39/proposal-pipeline-operator ××× SIIIIICK ××× PIIIICKS ××× Scott: Sapper Wes: Dewalt Oscillating Multitool Shameless Plugs Scott: Level Up Tutorials Pro - Sign up for the year and save 25%! Wes: All Courses - Use the coupon code ‘Syntax’ for $10 off! 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
Released:
May 13, 2020
Format:
Podcast episode
Titles in the series (100)
All About CSS BEM!: Scott and Wes dive into CSS BEM — What is it? Why do you need it? How does it work? Sign up for D3 in 5 Days — Sponsor D3 has a bit of a bad reputation for being hard to learn so Ben Clinkinbeard has put together this awesome 5 day email course... by Syntax - Tasty Web Development Treats