JavaScript Date valueOf() method

The valueOf method in JavaScript for Date objects retrieves the primitive value associated with a Date instance.

Syntax

The syntax for the valueOf method is illustrated as follows:

dateObj.valueOf()

Return

A primitive value of a Date object.

JavaScript Date valueOf method example

In this section, we will explore the valueOf method by examining a range of examples.

Example 1

Let us examine an instance of retrieving the primitive value from a Date object.

<script>

var date=new Date();

document.writeln(date.valueOf());

</script>

Output:

1533815687148

Example 2

Let’s examine an example that retrieves the primitive value from a given Date object.

<script>

var date=new Date("August 15, 1947 20:22:10 GMT+0530 (India Standard Time) ");

document.writeln(date.valueOf());

</script>

Output:

-706266470000

Example 3

Let us examine an additional example to retrieve the primitive value of a designated Date object.

<script>

var date=new Date(2018, 7, 15, 20, 22, 10);

document.writeln(date.valueOf());

</script>

Output:

1534344730000