✅ *Quick Recap of Core JavaScript Concepts* 📘🖥️ 1️⃣ *Data Types* - *Primitive*: string, number, boolean, null, undefined, symbol, bigint - *Non-Primitive*: objects, arrays, functions 2️⃣ *Variables* - *var, let, const* — know scope & reassign rules 3️⃣ *Operators* - Arithmetic, Comparison, Logical, Assignment, Ternary 4️⃣ *Control Statements* - *if, else, switch* - *for, while, do-while, forEach* 5️⃣ *Functions* - *Function declaration & expression* - *Arrow functions* - *Callback & Higher-order functions* 6️⃣ *Objects & Arrays* - Dot vs Bracket notation - Array methods: *map, filter, reduce, find, some, every* 7️⃣ *DOM Manipulation* - *document.querySelector(), getElementById(), innerText, innerHTML* - *Event listeners (click, input, etc.)* 8️⃣ *ES6+ Features* - *Destructuring, Spread/Rest, Template Literals* - *Promises, async/await, let & const, modules* 9️⃣ *Error Handling* - *try, catch, finally* - *throw new Error()* 🔟 *Asynchronous JS* - *setTimeout, setInterval* - *Promises & async/await for API calls (fetch)* 💬 *React ❤️ for more!*