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

Published: 05 November 2021
on channel: Dev Dreamer

7,498

253

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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Watch video #38. How to use Var, Let and Const | JavaScript Full Tutorial online without registration, duration hours minute second in high quality. This video was added by user Dev Dreamer 05 November 2021, don't forget to share it with your friends and acquaintances, it has been viewed on our site 7,498 once and liked it 253 people.