JavaScript计算两个时间点相差天数实例代码

<script>
function GetDateDiff(startTime,endTime,diffType) 
{ 
  startTime=startTime.replace(/\\-/g, "/"); 
  endTime=endTime.replace(/\\-/g, "/"); 
  diffType=diffType.toLowerCase(); 
  var sTime=new Date(startTime); 
  var eTime=new Date(endTime); 
  var divNum=1; 
  switch(diffType) 
  { 
    case "second": 
      divNum=1000; 
      break; 
    case "minute": 
      divNum=1000*60; 
      break; 
    case "hour": 
      divNum=1000*3600; 
      break; 
    case "day": 
      divNum =1000*3600*24; 
      break; 
    default: 
      break; 
  } 
  return parseInt((eTime.getTime() - sTime.getTime())/parseInt(divNum)); 
} 
console.log(GetDateDiff("2010-10-11 00:00:00", "2013-10-8 00:01:40","day"));
console.log(GetDateDiff("2010-10-11 00:00:00", "2011-6-20 00:01:40","minute"));
</script>