set today
var e = document.getElementById('<input type=date>');
set_today(e);
function set_today(inputElement){
// document:
// var recommend_date = document.getElementById('<input type='date'> id');
// set_today(recommend_date);
var dateobj = new Date();
var year = dateobj.getFullYear();
var month = dateobj.getMonth() + 1;
var day = dateobj.getDate();
var date = year + '-' + month + '-' + day;
inputElement.value = date;
}