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JavaScript Number Methods

The valueOf() Method

The valueOf() method returns a number as a number:

let x = 123;

document.getElementById("demo").innerHTML = 
  x.valueOf() + "<br>" +
  (123).valueOf() + "<br>" +
  (100 + 23).valueOf();

• In JavaScript, a number can be a primitive value (typeof = number) or an object (typeof = object).
• The valueOf() method is used internally in JavaScript to convert Number objects to primitive values.
• There is no reason to use it in your code.