JavaScript | date.setUTCMilliseconds() function

The date.setUTCMilliseconds() is an inbuilt function in JavaScript which is used to set milliseconds according to universal time into a date object which is created using Date() constructor.

Syntax:

DateObj.setUTCMilliseconds(milliseconds_Value);

DateObj is a valid Date object created using Date() constructor in which we want to set the millisecond according to universal time. Value of millisecond is from 0 to 999.

Parameter: Here parameter is milliseconds_Value is the value of millisecond which is used to set in Date() constructor.

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



Below programs illustrate the setUTCMilliseconds() function:

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// Here a date has been assigned according to
// universal time while creating Date object
var dateobj = new Date('October 13, 1996 05:35:32:77 GMT-3:00');
  
// new millisecond of 52 is being set in above Date
// Object with the help of setUTCMilliseconds() function
dateobj.setUTCMilliseconds(52);
  
// new millisecond from above Date Object is
// being extracted using getUTCMilliseconds()
var B = dateobj.getUTCMilliseconds();
  
// Printing new millisecond
console.log(B);

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Output:

> 52

Errors and Exceptions

  • Code #1: If in Date() constructor we do not give millisecond while creating the Date object, still setUTCMilliseconds() function will be able to set new millisecond which is given as its parameter in the created Date object.
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    // Here millisecond has not been assigned according to
    // universal time while creating Date object
    var dateobj = new Date('October 13, 1996 GMT-3:00');
      
    // new millisecond of 51 is being set in above Date
    // Object with the help of setUTCMilliseconds() function
    dateobj.setUTCMilliseconds(51);
      
    // new millisecond from above Date Object is
    // being extracted using getUTCMilliseconds()
    var B = dateobj.getUTCMilliseconds();
      
    // Printing new millisecond
    console.log(B);

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    Output:

    > 51
  • Code #2: If nothing as parameter is given in Date() constructor, still setUTCMilliseconds() function will be able to set millisecond but month, year, date etc remains current ones according to universal time.
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    // Here nothing has been assigned according to
    // universal time while creating Date object
    var dateobj = new Date();
      
    // new millisecond of 42 is being set in above Date
    // Object with the help of setUTCMilliseconds() function
    dateobj.setUTCMilliseconds(42);
      
    // milliseconds from above Date Object is
    // being extracted using getUTCMilliseconds()
    var B = dateobj.getUTCMilliseconds();
      
    // month from above Date Object is
    // being extracted using getUTCMonth()
    var C = dateobj.getUTCMonth();
      
    // date from above Date Object is
    // being extracted using getDate()
    var D = dateobj.getUTCDate();
      
    // year from above Date Object is
    // being extracted using getUTCFullYear()
    var E = dateobj.getUTCFullYear();
      
    // Printing new milliseconds
    console.log(B);
      
    // Printing current month
    console.log(C);
      
    // Printing current date
    console.log(D);
      
    // Printing current year
    console.log(E);

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    Output:

    > 42
    > 3
    > 1
    > 2018

    Here 42 is the new milliseconds, 3 is the current month i.e April, 1 is the current date and 2018 is the current year according to universal time.

  • Code #3: If value of millisecond 1006 is given as the parameter of setUTCMilliseconds() function, It will set 6 as the millisecond because millisecond range is form 0 to 999 and hence 1006-1000=6, here 1000 is substracted because 0 to 999 is 1000.
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    // Here date has been assigned according to
    // universal time while creating Date object
    var dateobj = new Date('October 13, 1996 05:35:32:45 GMT-3:00');
      
    // new millisecond of 1006 is being set in above Date
    // Object with the help of setUTCMilliseconds() function
    dateobj.setUTCMilliseconds(1006);
      
    // milliseconds from above Date Object is
    // being extracted using getUTCMilliseconds()
    var B = dateobj.getUTCMilliseconds();
      
    // Second from above Date Object is
    // being extracted using getUTCSeconds()
    var C = dateobj.getUTCSeconds();
      
    // Printing new Milliseconds
    console.log(B);
      
    // Printing second
    console.log(C);

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    Output:

    > 6
    > 33


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