Lead UI Developer
Lead UI Developer Interview Questions and Answers
Updated 26 Feb 2024
Q1. difference between var let and const
Ans.
var is function scoped, let is block scoped, const is block scoped and cannot be reassigned.
var is function scoped, let is block scoped, const is block scoped and cannot be reassigned
var can be redeclared and updated, let can be updated but not redeclared, const cannot be redeclared or updated
Use const for values that should not change, use let for values that may change, use var sparingly
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