var how = new Date("2010/8/19 9:18:33"); var today = new Date(); alert("相差多少小时:" + parseInt((today.getTime() - how.getTime()) / 1000 / 60 / 60));
<script> var t1=new Date('2010/8/19 6:00:00'); var t2=new Date('2010/8/19 20:43:00'); var s=(t2.getTime()-t1.getTime());//毫秒 s=(s/(1000*60*60)); alert(s) </script>
var today = new Date();
alert("相差多少小时:" + parseInt((today.getTime() - how.getTime()) / 1000 / 60 / 60));
<script>
var t1=new Date('2010/8/19 6:00:00');
var t2=new Date('2010/8/19 20:43:00');
var s=(t2.getTime()-t1.getTime());//毫秒
s=(s/(1000*60*60));
alert(s)
</script>