to-iso-string
Cross-browser toISOString
support.
Installation
npm install to-iso-string
Example
var toISOString = require('to-iso-string');
var date = new Date("05 October 2011 14:48 UTC");
toISOString(date);
// "2011-10-05T14:48:00.000Z"
Cross-browser toISOString support.