Var vs. Let vs. Const: The Differences Explained With Examples

In this YouTube short, I will explain the differences between var, let, and const in JavaScript, with examples.

Var is the oldest variable declaration keyword in JavaScript. It has a global or function scope, and it can be updated and redeclared.

Let is a newer variable declaration keyword in JavaScript. It has a block scope, and it can be updated, but it cannot be redeclared.

Const is also a newer variable declaration keyword in JavaScript. It has a block scope, and it cannot be updated or redeclared.

I will use examples to show you the differences between var, let, and const in JavaScript.

So if you want to learn the differences between var, let, and const in JavaScript, then watch this YouTube short!

Видео Var vs. Let vs. Const: The Differences Explained With Examples канала CodeInMinute

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16 августа 2023 г. 15:35:24

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