What is the difference between string primitives and String objects in JavaScript?

Question

Taken from MDN

String literals (denoted by double or single quotes) and strings returned from String calls in a non-constructor context (i.e., witho

Answer 1

In case of string literal we cannot assign properties

var x = "hello" ;
x.y = "world";
console.log(x.y); // this will print undefined

Whereas in case of String Object we can assign properties

var x = new String("hello");
x.y = "world";
console.log(x.y); // this will print world