The **`valueOf()`** is a *number* method we can use to return the primitive value of a number. The primitive value is the value of type `undefined`, `null`, `boolean`, `number`, `string`, or `symbol`. 

> Note: The `valueOf()` method is used internally by Javascript. It is not used explicitly in web code.

# Declaration
The `valueOf()` method is declared as follows:
```js
num.valueOf()
```
* `num`: The number whose primitive value is returned.

>Note: This method does not accept any parameters.

# Return value
The `valueOf()` method returns a number which is the primitive value of `num`.





# Browser compatibility

The `valueOf()` method is supported by the following browsers:





# Code
Consider the code snippet below, which demonstrates the use of the `valueOf()` method:

var num = 15.99
console.log("Value of 15.99:",num.valueOf());

num = 1/0
console.log("Value of 1/0:",num.valueOf());

num = 0/0
console.log("Value of 0/0:",num.valueOf());

num = 0
console.log("Value of 0:",num.valueOf());

num = -15.99
console.log("Value of -15.99:",num.valueOf());



What is the number valueOf() in Javascript?

Returns the primitive value of a number using `valueOf()`. Not used explicitly in web code.