JavaScript toJSON() Method

toJSON()The method returns the string representation of a date object in JSON date format.

JSON dates have the same format as ISO-8601Format with the same standard: YYYY-MM-DDTHH:mm:ss.sssZ

Syntax:

date.toJSON()

Example

var d = new Date();
var str = d.toJSON();
document.getElementById('result').innerHTML = str;

The numbers in the table specify the first browser version that fully supports the toJSON() method:

Method
toJSON()	4	3.5	Yes	Yes	9

Return Value:	A string representing a date and time in JSON date format
JavaScript Version:	ECMAScript 5