Defina a entrada de data html usando JS
document.getElementById("datePicker").valueAsDate = new Date()
Lokesh003
document.getElementById("datePicker").valueAsDate = new Date()// convert Javascript Date to HTML Input
var now = new Date();
var day = ("0" + now.getDate()).slice(-2);
var month = ("0" + (now.getMonth() + 1)).slice(-2);
var hour = ("0" + (now.getHours())).slice(-2);
var min = ("0" + (now.getMinutes())).slice(-2);
var today = now.getFullYear() + "-" + month + "-" + day + "T" + hour + ":" + min;<input type="date" >document.getElementById("myDate").value = "2014-02-09";