JSFiddle - React, Tailwind, and code Playground
HTML
<input id="startdate" />
JavaScript
$('#startdate').datepicker();
var dateText = "2014-11-25T00:00:00.000Z";
var actualDate = new Date(dateText);
var newDate = new Date(actualDate.getFullYear(), actualDate.getMonth(), actualDate.getDate() + 1);
$('#startdate').datepicker('setDate', newDate);