js acquisition time difference

. 1  function the GetTime (firstDate, secondDate) {
 2      // 1. to handle the event 
. 3      var firstTime = Date.parse (firstDate + " 00:00:00 " );
 . 4      var secondtime = Date.parse (secondDate + " 00: 00:00 " );
 5      // 2. acquisition time interval 
. 6      var TimeSpan = secondtime - firstTime;
 . 7      // 3. Get days 
. 8      var day = Math.floor (TimeSpan / 1000 / 60 / 60 / 24 );
 . 9      / / 4. Get hr
10     var hour = Math.floor(timespan / 1000 / 60 / 60);
11     // 5.获取分钟
12     var minute = Math.floor(timespan / 1000 / 60 - hour * 60);
13     // 6.获取秒
14     var second = timespan / 1000 - hour * 60 * 60 - minute * 60;
15     return day + "@" + hour + "@" + minute + "@" + second;
16 }

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