JavaScript Interview Question on Hoisting | var vs let in Hindi
Автор: Smart Coding
Загружено: 2025-12-17
Просмотров: 25
In this video, we explain a very common JavaScript interview question related to hoisting and the difference between var and let in Hindi.
You will learn:
What is hoisting in JavaScript
How var behaves during hoisting
Why let throws a ReferenceError
What is the Temporal Dead Zone
Why let and const are safer than var
This video is perfect for:
JavaScript beginners
Frontend developers
Interview preparation
Students learning JavaScript concepts
📌 Code explained in this video:
function sayHi() {
console.log(name);
console.log(age);
var name = 'Lydia';
let age = 21;
}
sayHi();
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