Why does it output false when comparing two identical arrays?

Question

JavaScript

For example:
var arr1 = [1,2,3];
var arr2 = [1,2,3];
console.log( arr1 == arr2 ); //Displays false I
just started learning js, I was interested in this moment.

Answer 1

You are comparing references to array objects, and they are different.
Compare for example:

var a = "123"; 
var b = "123"; 
console.log(a == b);
var c = new String("123"); 
var d = new String("123"); 
console.log(c == d);