<script> var a="2005/10/04" a = new Date(a) alert("相差天数" + ((new Date())-(new Date(a)))/24/60/60/1000) </script>
<script> var a="2005/10/05" a = new Date(a) var b = new Date() var c = new Date(b.getFullYear(),b.getMonth(),b.getDate()) alert("相差天数" + (c-a)/24/60/60/1000) </script>
var a="2005/10/04"
a = new Date(a)
alert("相差天数" + ((new Date())-(new Date(a)))/24/60/60/1000)
</script>
var a="2005/10/05"
a = new Date(a)
var b = new Date()
var c = new Date(b.getFullYear(),b.getMonth(),b.getDate())
alert("相差天数" + (c-a)/24/60/60/1000)
</script>