<script>
function DateDiff(end){
today = new Date();
end = new Date(end);
if(end > today){
days = parseInt(Math.abs(end - today) / 1000 / 60 / 60 / 24);
}else{
days = parseInt(Math.abs(end - today) / 1000 / 60 / 60 / 24); // 如果不限制对比时间和当前时间大小可以不用if
}
return days;
}
</script>
//输出1
<script>document.write(DateDiff('2006-02-23'));</script>
//输出2
<script>document.write(DateDiff('2016-02-23'));</script>
//输出N
...
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