#38. How to use Var, Let and Const | JavaScript Full Tutorial

Опубликовано: 29 Сентябрь 2024
на канале: Dev Dreamer

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Let's learn all about the difference between var, let and const. Why do we have three different ways to declare a variable? When is the right time to use either one? In this important lesson we discuss the difference between the different ways to create a variable, and why/when to either use or not use them.

0:00 - Intro
0:20 - The old 'var' keyword
1:37 - Main differences between var, let, const
2:16 - Reassignment
3:38 - Redeclaration
4:34 - Why the change?
5:30 - Lesson Summary
6:02 - Lesson Tasks
8:09 - Outro and Up Next

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