What is the difference between the LET keyword and VAR keyword

Question

Really want to know which one is preferable

Answer 1

What Dylano Zuijderwijk said is correct.

Let keyword was introduced in ES6 (6th version of JS) because function scopes was confusing and one of the main bugs of javascript.

Because of this it is very uncommon to use var actually

Answer 2

othniel john I would also prefer let over var.

The below mentioned youtube video might me helpful in identifying the differences between the two.

https://youtu.be/XgSjoHgy3Rk

Answer 3

I think its the same but Modern days prefer LET over VAR, because VAR is Outdated CMIIW

Answer 4

Where is the storage area for let and var type of variable in side system.

Does system environment and kernel space is accessible ?

It has ability to access system software information through browser and it's plugins.

Apologize to put off topic queries.

Answer 5

Var is accessible in the whole code while Let is only accessible inside the block/scope it was defined

Answer 6

https://www.sololearn.com/post/91896/?ref=app
https://www.sololearn.com/Discuss/1777661/?ref=app

Answer 7

Hello

Answer 8

памагайт у меня variables