Hasty Treat - Old Browsers, Fallbacks and Polyfills - Part 2

In this Hasty Treat, Scott and Wes continue a three-part series about old browsers, fallbacks and polyfills. In part two, they talk specifically about CSS Grid, Flexbox, new features and fallbacks, and how to use them. VueSchool.io — Sponsor Check out VueSchool.io’s new subscription plans. Get access to their entire catalog with more than 160 lessons, including The Vue.js Masterclass, for one low monthly fee. New content and courses are added regularly. Visit VueSchool.io/syntax and get your first month for only $5. Show Notes 3:08 - CSS Grid and Flexbox Flexbox old spec Flexbox new spec CSS Grid Some popular options for supporting for supporting CSS Grid and/or Flexbox: Just serve the mobile layout Display block Separate layout that you will eventually delete Can I Use Do websites need to look exactly the same in every browser? Modernizr CSS3, Please! Autoprefixer 12:38 - CSS Variables Double define Just like Grid, unknown def will be ignored and fallback to CSS CSS Houdini 17:00 - Fallback Code @supports Display block then display grid Feature Testing Detect the browser as a last resort 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