valueOf() method returns the primitive value of a string.

valueOf() does not accept any parameter.

valueOf() method does not change the original string.

valueOf() method can be used to convert a string object into a string.

valueOf() method is the default method for JavaScript strings.

Primitive values do not have pre-defined properties or methods.

There are seven primitive data types in JavaScript: numbers, BigInt, string, boolean, undefined, null, and symbol.

All primitives are immutable. You cannot change a single character in a string.

valueOf() method is used internally by JavaScript, normally, you will not use it in your code.