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var vs let vs const in 10 minutes! - JavaScript | JavaScript Interview Course
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Understand complete difference between var, let & const in 10 minutes! Two new ways to create variables were introduced in ES2015 (ES6) which are let and const, So now we have three ways for creating variables i.e var, let and const. Let's understand the differences between them.
0:00 Introduction
0:50 Declaration and initialization
1:38 Scope of a variable
2:24 Hoisting of a variable
2:51 var vs let vs const overview
3:32 Scope - var, let & const
6:46 Hoisting - var, let & const
8:00 Re-initialize - var, let & const
9:05 When to use var vs let vs const?
#var #let #const #javascript
Follow:
0:00 Introduction
0:50 Declaration and initialization
1:38 Scope of a variable
2:24 Hoisting of a variable
2:51 var vs let vs const overview
3:32 Scope - var, let & const
6:46 Hoisting - var, let & const
8:00 Re-initialize - var, let & const
9:05 When to use var vs let vs const?
#var #let #const #javascript
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