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➕ Topic 03: Operators & Expressions — "Hisaab Kitaab!"

"An operator performs some operation on single or multiple operands and produces a result." "Jaise…

Overview
🌟

➕ Topic 03: Operators & Expressions — "Hisaab Kitaab!" — Quick Facts

📌

10 > 20); // true (true: false!)

Topic 1

📌 Is Topic Me Kya Hai?

📚 Arithmetic, assignment, comparison, logical, ternary, bitwise operators, operator…
Topic 2

➕ Arithmetic Operators — Math!

💡 `javascript // Basic Math Operations: let a = 10, b = 3; a + b; // 13 → Addition (jodo!)…
Topic 3
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📥 Assignment Operators — Value Set Karo!

🎯 `javascript // Basic Assignment: let score = 100; // = assign karta hai! // Compound…
Topic 4

⚖️ Comparison Operators — Compare Karo!

`javascript // Comparison operators return BOOLEAN (true/false!) // EQUALITY: 5 == 5; //…
Topic 5
📥 📥 🧠 🔬 💡 🎯

🧠 Logical Operators — Logic Lagao!

🔑 `javascript // LOGICAL AND (&&) — DONO true to true! true && true; // true true && false;…
Topic 6
📊 🔬

❓ Ternary Operator — Short if/else!

`javascript // SYNTAX: condition ? valueIfTrue : valueIfFalse // Instead of: let age =…
Topic 7

?? Nullish Coalescing Operator (ES2020!)

🌟 `javascript // ?? → Sirf null/undefined pe default value do! // → 0, "", false ko "valid"…
Topic 8
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?. Optional Chaining (ES2020!)

🚀 `javascript // ?. → Safely access nested properties! // Agar undefined/null ho → error…
Topic 9

📊 Operator Precedence — Kaun Pehle?

📚 `javascript // Operators ka ORDER matter karta hai! // Higher precedence = pehle execute!…
Topic 10
💡 📊 🔬

🔧 String Operators

💡 `javascript // + with strings = CONCATENATION (jodna!) let first = "Hello"; let second =…
Topic 11

🔑 KEY POINTS — Top 10 Takeaways!

🎯 ` ┌─────────────────────────────────────────────────────────┐ │ │ │ 🔑 KEY POINTS │ │ │ │…
Topic 12

💪 Exercises — Khud Karo, Khud Seekho!

Exercise 1: Calculator 🧮 Console me yeh sab calculate karo: `javascript let a = 15, b =…
Topic 13
📥 📥 🧠 🔬 💡 🎯

🗺️ Navigation

🔑 | Previous | Index | Next | |----------|-------|------| | ← Topic 02: Variables & Data…
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🧠 QUIZ TIME

Quiz — Question 1

➕ Topic 03: Operators & Expressions — "Hisaab Kitaab!" ka sabse sahi definition kya hai?

Complete! 🎉
COMPLETE

➕ Topic 03: Operators & Expressions — "Hisaab Kitaab!" Complete!

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➕ Topic 03: Operators & Expressions — "Hisaab Kitaab!" Complete

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