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JavaScript Date now() Method

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  • Difficulty Level : Easy
  • Last Updated : 25 Nov, 2021
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In this article, we will learn about the Date now() method in Javascript. The date.now() method is used to return the number of milliseconds elapsed since January 1, 1970, 00:00:00 UTC. Since now() is a static method of Date, it will always be used as Date.now(). 

Syntax:

var A = Date.now();

Parameters: This method does not accept any parameter. 

Return Values: It returns the number of milliseconds elapsed since January 1, 1970, 00:00:00 UTC.

Please refer to the JavaScript Get Date Methods article for other Date methods in detail.

More codes for the above method are as follows: 

Example 1: The below example illustrates the Date now() method.

Javascript




<script>
 
  // Use of method Date.now()
  var A = Date.now();
 
  // Printing the number of millisecond elapsed
  document.write("The time elapsed in millisecond is: " + A);
</script>

Output:

The time elapsed in millisecond is: 1529644667834

Example 2: This example illustrates getting the current date using the Date.now() method.

Javascript




<script>
 
  // Use of Date.now() method
  var d = Date(Date.now());
 
  // Converting the number of millisecond
  // in date string
  a = d.toString()
 
  // Printing the current date                   
  document.write("The current date is: " + a)
</script>

Output:

The current date is: Fri Jun 22 2018 10:54:33 
GMT+0530 (India Standard Time)

Example 3: The Date(Date.now()) is the same as Date(), so the same result can be achieved i.e, the current date using the following code.

Javascript




<script>
  // Using Date() method
  var d = Date();
   
  // Converting the number value to string
  a = d.toString()
   
  // Printing the current date
  document.write("The current date is: " + a)
</script>

Output:

The current date is: Fri Jun 22 2018 11:02:01 
GMT+0530 (India Standard Time)

Supported Browsers: The browsers supported by JavaScript Date now() method are listed below:

  • Google Chrome 5 and above
  • Microsoft Edge 12 and above
  • Firefox 3 and above
  • Internet Explorer 9 and above
  • Opera 10.5 and above
  • Safari 4 and above

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