LWC let vs Var | Understand in Detail

in this video :
difference between let and var
when to use let in lwc
when to use var in lwc
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[@boltonsquare]

Thanks...Though it looks simple many people don't know the difference I feel.

[@salesforcein5minutes]

Yeah thats true and also asked in interviews as well 😄

[@HelloitsmeReena]

can you please make sure if the video can have more clarity that will be great !

[@salesforcein5minutes]

@@HelloitsmeReena clarity do u mean video clarity or concept clarity?

[@gllyprakash412]

Hey in the 'let' example you are creating anothe variable inside the if block and printing its value. You are not changing the value of myVar declared outside if block.

[@salesforcein5minutes]

I was just trying to prove a point that let are used for scope !