<script type="text/javascript" src="jquery-1.8.3.js"></script>
<script type="text/javascript">
$(document).ready(function() {
$("#btn").click(function(){
var start=$("#txt1").val();
var end=$("#txt2").val();
alert(start);
start=start.replace(/-/g,"/");
var startdate=new Date(start);
end=end.replace(/-/g,"/");
var enddate=new Date(end);
var time=enddate.getTime()-startdate.getTime();
alert(time);
var days=parseInt(time/(1000 * 60 * 60 * 24));
alert(days);
});
});
</script>
<input type="text" id="txt1" value="2015-05-06"/>
<input type="text" id="txt2" value="2015-06-07"/>
<input type="button" id="btn" value="点击">