The date.toISOString() is an inbuilt function in JavaScript which is used to convert the given date object’s contents into a string in ISO format (ISO 8601) i.e, in the form of (YYYY-MM-DDTHH:mm:ss.sssZ or ±YYYYYY-MM-DDTHH:mm:ss.sssZ).The date object is created using date() constructor.
Syntax:
dateObj.toISOString()
Note: In the above syntax, DateObj is a valid Date object created using Date() conctructor.
Parameters:
- This function does not take any parameter. It is just used along with a Date object created using Date() constructor.
Return Values:
- It returns the converted string of Date() constructor contents into ISO format (ISO 8601).
Below program illustrate the date.toISOString() 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 toISOString() function. var B = dateobj.toISOString(); // Printing the converted string. document.write(B); </script> |
Output:
> "1996-10-15T00:05:32.000Z"
Errors and Exceptional cases associated with this function:
Code #1:
Here nothing as parameter is passed while creating date object but still toISOString() 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 toISOString() function. var B = dateobj.toISOString(); // Printing the converted string. document.write(B); </script> |
Output:
> "2018-04-23T10:26:00.996Z"
Important Points
- Months, Dates, hours, minutes, seconds, milliseconds should all be in their respective range of 0 to 11, 1 to 31, 0 to 23, 0 to 59, 0 to 59, 0 to 999 respectively.
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