Frontend Development Blog

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Frontend Interview TeamFeb 08, 2026

JavaScript Hoisting + Temporal Dead Zone (var vs let/const)

Interview-ready explanation of hoisting and the Temporal Dead Zone: what actually gets hoisted, why let/const behave differently, and common trick questions with outputs.

#Hoisting#Scope

JavaScript

Frontend Interview TeamFeb 08, 2026

~12 min

JavaScript Closures Explained (With Interview Questions)

Closures in plain English: lexical scope, how closures work, common interview traps (loops + setTimeout), and practical use cases like memoization and data hiding.

#Closures#Scope