jquery-date-datepicker

picker date date pick tick date date tick
double click
http://forum.jquery.com/topic/datepicker-showon-double-click



http://api.jqueryui.com/datepicker/#option-dateFormat
datepicker api

javascript-date html-date


<input type=text class='datepicker'> </input>
 $( ".datepicker" ).datepicker();
 $( ".datepicker" ).datepicker( "option", "dateFormat", 'yy-mm-dd' ); //2016-06-16