JavaScript Interview Question That Traps Developers 😱 | Function Scope & Variable Shadowing

Опубликовано: 05 Июль 2026
на канале: VR Technical Institute for Interview Preparation
54
5

🔥 JavaScript Interview Question #16

Can you predict the output before watching the answer? 🤔

Topic Covered:

✅ Function Scope
✅ Variable Shadowing
✅ Nested Functions
✅ Lexical Scope
✅ JavaScript Fundamentals
✅ Output-Based Questions

🎯 Perfect For:
• Freshers
• Frontend Developers
• React.js Developers
• Node.js Developers
• Campus Placement Preparation
let x = 10; // Global

function outer() {
let x = 20; // Nearest x

function inner() {
console.log(x);
}

inner();
}

outer(); // 20
💡 This question tests your understanding of how JavaScript resolves variables inside nested functions and different scopes. A small scope mistake can completely change the output.

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