Javascript interview snippets

Q1. Guess the Output:

var b = 1;
function outer(){
 var b = 2
 function inner(){
 b++;
 var b = 3;
 console.log(b)
 }
 inner();
}
outer();

Take a deep breath , don’t jump into solution

Output:

3

Q2. Guess the Output:

var x = 21; var girl = function () { console.log(x); var x = 20; }; girl ();

Take a deep breath , don’t jump into solution

Output:

undefined