Dynamic ICS

ics.js

$(target, this.$el).on('click', function() {
  var now = new Date(),
      dtstamp = now.toISOString(),
      dtend = function() { now.setHours(19,0,0,0); return now; },
      dtstart = function() { now.setHours(18,0,0,0); return now; },
      meow = 'location',
      summary = 'summary',
      icsMSG = 'BEGIN:VCALENDAR\nVERSION:2.0\n' +
        'PRODID:-//Take Back The Table//NONSGML v1.0//EN\n' +
        'CALSCALE:GREGORIAN\n' +
        'BEGIN:VEVENT\n' +
        'UID:info@takebackthetable.org\n' +
        'DTSTAMP:' + dtstamp + '\n' +
        'ATTENDEE;CN=me;\n' +
        'ORGANIZER;CN=Me\n' +
        'DTSTART:' + dtstart +'\n' +
        'DTEND:' + dtend +'\n' +
        'LOCATION:' + meow + '\n' +
        'SUMMARY:' + summary + '\n' +
        'END:VEVENT\n' +
        'END:VCALENDAR';
  window.open('data:text/calendar;charset=utf8,' + escape(icsMSG));
});