Скачать с ютуб 6 Rules of JavaScript’s THIS Keyword in 2025: Master Binding, Callbacks & Avoid Pitfalls! в хорошем качестве

6 Rules of JavaScript’s THIS Keyword in 2025: Master Binding, Callbacks & Avoid Pitfalls!

🚀 Crack JavaScript’s THIS Keyword Forever: The 6 Golden Rules Every Developer MUST Know! 🚀 Why does this sometimes point to window, undefined, or a random object? In this ultimate guide, you’ll master the 6 Rules that govern the this keyword in JavaScript – from default binding to the quirks of arrow functions. Perfect for crushing technical interviews and writing bug-free code in 2025! ✅ What You’ll Learn: The 6 Binding Rules: Default, Implicit, Explicit (call/apply/bind), New, Arrow Functions, and Event Handlers. Real-World Examples: Predict this in callbacks, closures, React components, and Node.js modules. Strict Mode Gotchas: Why this becomes undefined and how to fix it. 2025 Best Practices: Use modern ES6+ patterns to avoid this chaos. Debugging Tricks: Trace this in Chrome DevTools like a pro. 💡 Why These Rules Are Non-Negotiable: Misunderstanding this causes 80% of JavaScript bugs. By the end, you’ll control this like a senior engineer – whether you’re coding in React, Node.js, or vanilla JS! 📌 Featured in Playlist: "JavaScript Grandmaster 2025: Zero to Hero Full Course" – Join this FREE Udemy-style masterclass to dominate JavaScript’s toughest concepts! 🎓 🔗 Timestamps: 0:00 – Why this is the #1 JavaScript Confusion 1:30 – Rule 1: Default Binding (window/global/undefined) 3:45 – Rule 2: Implicit Binding (Object Method Calls) 6:20 – Rule 3: Explicit Binding (call, apply, bind) 9:10 – Rule 4: new Keyword (Constructor Functions) 11:40 – Rule 5: Arrow Functions (Lexical this) 14:15 – Rule 6: Event Handlers & Edge Cases 16:30 – Debugging Demo: Fix 3 Real this Bugs! 19:00 – Coding Challenge (Build a this-Safe Utility Library!) 👨💻 Perfect For: Developers tired of this referring to the wrong object. Coders prepping for FAANG-level JavaScript interviews. Anyone building apps with React, Vue, or Node.js. 🔔 Subscribe & Hit the Bell to conquer JavaScript’s trickiest concepts in the JavaScript Grandmaster 2025 Journey!