JavaScript | date.setSeconds() Function

The date.setSeconds() is an inbuilt function in JavaScript which is used to set seconds into a Date object which is created using Date() constructor.

Syntax:

DateObj.setSeconds(seconds_Value)

DateObj is a valid Date object created using Date() constructor in which we want to set the second. Value of second is from 0 to 59.

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

Return Value: It returns the new Date with updated second which is set by setSeconds() function.



Below program illustrate the setSeconds() function:

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// Here a date has been assigned
// while creating Date object
var dateobj = new Date('October 13, 1996 05:35:32');
  
// new second of 52 is being set in above Date
// Object with the help of setSeconds() function
dateobj.setSeconds(52);
  
// new second from above Date Object is
// being extracted using getSeconds()
var B = dateobj.getSeconds();
  
// Printing new Second
console.log(B);

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Output:

52

Errors and Exceptions

  • Code #1: If in Date() constructor we do not give any second, still setSeconds() function set new second which is given as its parameter.
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    // Here second has not been assigned
    // while creating Date object
    var dateobj = new Date('October 13, 1996');
      
    // new second of 51 is being set in above Date
    // Object with the help of setSeconds() function
    dateobj.setSeconds(51);
      
    // new second from above Date Object is
    // being extracted using getSeconds()
    var B = dateobj.getSeconds();
      
    // Printing new Second
    console.log(B);

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    Output:

    > 51
  • Code #2: If nothing as parameter is given in Date() constructor, still setSeconds() function set second but month, year, date etc become current ones.
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    // Here nothing has been assigned
    // while creating Date object
    var dateobj = new Date();
      
    // new second of 42 is being set in above Date
    // Object with the help of setSeconds() function
    dateobj.setSeconds(42);
      
    // Seconds from above Date Object is
    // being extracted using getSeconds()
    var B = dateobj.getSeconds();
      
    // month from above Date Object is
    // being extracted using getMonth()
    var C = dateobj.getMonth();
      
    // date from above Date Object is
    // being extracted using getDate()
    var D = dateobj.getDate();
      
    // year from above Date Object is
    // being extracted using getFullYear()
    var E = dateobj.getFullYear();
      
    // Printing new seconds
    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 seconds, 3 is the current month i.e April, 1 is the current date and 2018 is the current year.

  • Code #3: If value of second 66 is given as the parameter of setSeconds() function, It will set 6 as the second because second range is form 0 to 59 and ( 66%60 = 6).
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    // Here date has been assigned
    // while creating Date object
    var dateobj = new Date('October 13, 1996 05:35:32');
      
    // new second of 66 is being set in above Date
    // Object with the help of setSeconds() function
    dateobj.setSeconds(66);
      
    // seconds from above Date Object is
    // being extracted using getSeconds()
    var B = dateobj.getSeconds();
      
    // Minute from above Date Object is
    // being extracted using getMinutes()
    var C = dateobj.getMinutes();
      
    // Printing new seconds
    console.log(B);
      
    // Printing minutes
    console.log(C);

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    Output:

    > 6
    > 36

    Here 6 is the new second and minutes becomes 36 from 35 because second range is form 0 to 59. So when 66 is passed as parameter to the setSeconds() function, it will set the seconds in the respective Date object to (66%60 = 6) and will increment the minutes in the respective Date object by (66/60 = 1).



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