3. this Keyword, call, apply, bind & Arrow Functions | JavaScript & Node.js Deep Dive

Episode 3 of the JavaScript & Node.js Deep Dive series. "this" in JavaScript is decided by HOW a function is called, not where it is written. In this video we break down every rule for this, how call, apply and bind let you control it, and why arrow functions behave differently. What you'll learn: The 4 binding rules: default, implicit, explicit and new this in strict mode vs non-strict mode Losing this: callbacks, setTimeout and extracted methods call vs apply vs bind, with real examples Arrow functions and lexical this this in classes, event handlers and Node.js modules Polyfill for bind (classic interview question) Tricky output-based interview questions on this Previous episode: 2. Scope, Lexical Environment & Closures Perfect for senior JavaScript / Node.js interview prep. #JavaScript #NodeJS #thisKeyword #CallApplyBind #JavaScriptInterview