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JavaScript Date setMilliseconds() Method

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The date.setMilliseconds() method is used to set milliseconds into a date object which is created using the date() constructor.

Syntax:

dateObj.setMilliseconds(milliseconds_Value);

Parameter: This method accepts a single parameter as mentioned above and described below:

  • milliseconds_Value: This parameter holds the value of millisecond which is used to set in the date() constructor.

Return Values:It returns the new i.e. updated millisecond which is set by the setMilliseconds() method.

Note: The DateObjis a valid Date object created using the Date() constructor in which we want to set the millisecond. The value of milliseconds is from 0 to 999.

Example 1: Below is the example of the Date setMilliseconds()method.

Javascript




// Here a date has been assigned
// while creating Date object
let dateobj =
    new Date('October 13, 1996 05:35:32:77');
  
// New millisecond of 52 is being set in above Date
// Object with the help of setMilliseconds() method
dateobj.setMilliseconds(52);
  
// New millisecond from above Date Object is
// being extracted using getMilliseconds()
let B = dateobj.getMilliseconds();
  
// Printing new millisecond
console.log(B);


Output:

52

Example 2:If in the Date() constructor we do not give any millisecond, still setMilliseconds() method set a new millisecond which is given as its parameter.

Javascript




// Here millisecond has not been assigned
// while creating Date object
let dateobj = new Date('October 13, 1996');
  
// New millisecond of 51 is being set in above Date
// Object with the help of setMilliseconds() method
dateobj.setMilliseconds(51);
  
// New millisecond from above Date Object is
// being extracted using getMilliseconds()
let B = dateobj.getMilliseconds();
  
// Printing new millisecond
console.log(B);


Output:

51

Program 3:If nothing as a parameter is given in the Date() constructor, still setMilliseconds() method set milliseconds but a month, year, date, etc become current ones. Here 42 is the new milliseconds, 4 is the current month i.e. April, 1 is the current date and 2018 is the current year.

Javascript




// Here nothing has been assigned
// while creating Date object
let dateobj = new Date();
  
// new millisecond of 42 is being set in
// above Date Object with the help of
// setMilliseconds() method
dateobj.setMilliseconds(42);
  
// Milliseconds from above Date Object is
// being extracted using getMilliseconds()
let B = dateobj.getMilliseconds();
  
// Month from above Date Object is
// being extracted using getMonth()
let C = dateobj.getMonth();
  
// Date from above Date Object is
// being extracted using getDate()
let D = dateobj.getDate();
  
// Year from above Date Object is
// being extracted using getFullYear()
let E = dateobj.getFullYear();
  
// Printing new milliseconds
console.log(B);
  
// Printing current month
console.log(C);
  
// Printing current date
console.log(D);
  
// Printing current year
console.log(E);


Output:

42
4
1
2018

Example 4:If the value of millisecond 1006 is given as the parameter of the setMilliseconds() method, It will set 6 as the millisecond because the millisecond range is from 0 to 999, and hence 1006-1000=6, here 1000 is subtracted because 0 to 999 is 1000.

Here 6 is the new millisecond and the second becomes 33 from 32 because the millisecond range is from 0 to 999 i.e, total 1000 and we set the new millisecond as 1006 which increases second by one to 33 from 32 and the millisecond becomes 6.

Javascript




// Here date has been assigned
// while creating Date object
let dateobj =
    new Date('October 13, 1996 05:35:32:45');
  
// new millisecond of 1006 is being set
// in above Date Object with the help of
// setMilliseconds() method
dateobj.setMilliseconds(1006);
  
// milliseconds from above Date Object is
// being extracted using getMilliseconds()
let B = dateobj.getMilliseconds();
  
// Second from above Date Object is
// being extracted using getSeconds()
let C = dateobj.getSeconds();
  
// Printing new Milliseconds
console.log(B);
  
// Printing second
console.log(C);


Output:

6
33

We have a complete list of Javascript Javascript Date methods, to check those please go through the Javascript Date Object Complete Reference article.

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

  • Google Chrome 1 and above
  • Edge 12 and above
  • Firefox 1 and above
  • Internet Explorer 4 and above
  • Opera 4 and above
  • Safari 1 and above


Last Updated : 23 May, 2023
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