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JavaScript | date.toString() function

The date.toString() is an inbuilt function in JavaScript which is used to convert the given date object’s contents into a string.The date object is created using date() constructor.
Syntax:

dateObj.toString()

Note: In the above syntax, DateObj is a valid Date object created using Date() conctructor whose contents are converted into string.

    Parameters:

  • This function does not takes any parameter. It is just used along with a Date object created using Date() conctructor whose contents are converted into string.
  • Return Values:

  • It returns the converted string.

Below program illustrate the date.toString() function:-



<script>
// Here a date has been assigned
// while creating Date object
var dateobj = new Date('October 15, 1996 05:35:32');
  
// Contents of above date object is converted
// into a string using toString() function.
var B = dateobj.toString();
  
// Printing the converted string.
document.write(B);
</script>

Output:

> "Tue Oct 15 1996 05:35:32 GMT+0530 (India Standard Time)"

    Exceptional cases associated with this function

  1. Here nothing as a parameter is passed while creating date object but still toString() function return current day name, month name, date, year and time.
    <script>
    // Here nothing has been assigned
    // while creating Date object
    var dateobj = new Date();
      
    // Contents of above date object
    // is converted into a string
    // using toString() function.
    var B = dateobj.toString();
      
    // Printing the converted string.
    document.write(B);
    </script>                    

    Output:

    > "Wed Apr 11 2018 00:50:44 GMT+0530 (India Standard Time)"
  2. When some random list of values is passed then toString() function return the corresponding produced string.
    The format for Date() constructor is like Date(month, date, year, time).By following this format some values are given in the below program and corresponding string is produced as output.Time format should be like (number:number: number) If time does not lie in this format, it gives output as an Invalid date.

    <script>
    // Here some different values has been
    // assigned while creating Date object
    var dateobj1 = new Date('1');
    var dateobj2 = new Date('2, 3');
    var dateobj3 = new Date('4, 5, 6');
    var dateobj4 = new Date('7, 8, 3, 4');
    var dateobj5 = new Date('4, 5, 6, 11:00:12');
    var dateobj6 = new Date('12, 5, 4, 0:0');
      
    // Contents of above date objects is converted
    // into strings using toString() function.
    var B = dateobj1.toString();
    var C = dateobj2.toString();
    var D = dateobj3.toString();
    var E = dateobj4.toString();
    var F = dateobj5.toString();
    var G = dateobj6.toString();
      
    // Printing the converted string.
    document.write(B + "<br>");
    document.write(C + "<br>");
    document.write(D + "<br>");
    document.write(E + "<br>");
    document.write(F + "<br>");
    document.write(G + "<br>");
    </script>                    

    Output:

    > "Mon Jan 01 2001 00:00:00 GMT+0530 (India Standard Time)"
    > "Sat Feb 03 2001 00:00:00 GMT+0530 (India Standard Time)"
    > "Wed Apr 05 2006 00:00:00 GMT+0530 (India Standard Time)"
    > "Invalid Date"
    > "Wed Apr 05 2006 11:00:12 GMT+0530 (India Standard Time)"
    > "Sun Dec 05 2004 00:00:00 GMT+0530 (India Standard Time)"


This article is attributed to GeeksforGeeks.org

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