In this episode of Syntax, Scott and Wes talk about the fundamentals of JavaScript - the set of core skills you should know before branching off into other frameworks, libraries, etc. 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. FreshBooks - Sponsor Get a 30 day free trial of FreshBooks at FreshBooks and put SYNTAX in the “How did you hear about us?” section. Show Notes 3:07 - Variables + Scoping var/let/const Block scope Function scope Scope lookup 6:06 - Types Objects Reference vs. copy 7:15 - Functions Types of functions Anonymous vs. named Expressions Arrow functions Methods 9:33 - DOM Selecting Updating Creating 15:07 - Prototypes + this this Objects 20:16 - Events Listening, callbacks dispatchEvent Bubbling 22:05 - Arrays Push, pop, manipulate Spread, rest Map, filter, reduce Arrays vs. objects Mutation vs. immutable 26:25 - Flow control Looping If Promises + Async + Await 29:47 - Security and accessibility XSS and innerHTML 32:04 - Things you should know, but not necessarily master Modules Closures Ajax requests 35:26 - Clean code Clean Code Javascript Links Syntax 043: 20 Javascript Array and Object Methods to make you a better developer Syntax 141: Hasty Treat - Async + Await Error Handling Strategies Syntax 072: Accessibility ××× SIIIIICK ××× PIIIICKS ××× Scott: BaseCS Wes: Owlet Baby Monitor Shameless Plugs Scott’s new E-Commerce and Gatsby Course Wes’ 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