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How to get polyfills with Babel 7 and Webpack

Polyfills can be a little confusing to figure out why and when you need them, and how to accomplish that. Babel has docs covering it, but there is a lot to unpack there, which was quite confusing to me when I first encountered this world. I hope to distill a little bit of that magic in this video and give you a modern, Babel 7, solution to having cross-browser JavaScript method support in a Webpack 5 project. 00:00 - What we'll cover 01:41 - Quick project overview 03:10 - First bundle build errors in IE 11 04:17 - Adding a browserslist file 06:50 - Adding method that requires polyfill 08:01 - Adding core-js to get polyfills 10:40 - Getting async await working 15:20 - Babel 'useBuiltIns' with 'entry' 19:16 - Deprecated @babel/polyfill package docs 20:08 - Cheat code: 'usage' value for 'useBuiltIns' 24:12 - Wrap-up Webpack Basics Walkthrough:    • Creating and Understanding a Basic We...   Repository for reference: https://github.com/Jimmydalecleveland... Follow Jimmy Cleveland's doings: twitter:   / jimmydcleveland   blog: https://blog.jimmydc.com/ #javascript #webpack #babel #polyfill #crossbrowser