FormatTime () stamp, calculating the distance data is the time now

. 1 const FormatTime = function (Tiem) { // time conversion 
2    const = timestamp  Date.now ();
 . 3    return  function  (Tiem) {
 . 4      const the diff = timestamp - Tiem * 1000 ;
 . 5      IF  (the diff <60 * 1000 ) {
 . 6        return  'just' ;
 . 7      }  the else  IF  (the diff <60 * 60 * 1000 ) {
 . 8        return  Math.floor (the diff / (60 * 1000)) + 'ago' ;
 . 9      }  the else  IF  (the diff <24 * 60 * 1000 * 60 ) {
10       return Math.floor(diff / (60 * 60 * 1000)) + '小时前';
11     } else {
12       const createTime = new Date(tiem * 1000);
13       const Day = createTime.getDate();
14       const Month = createTime.getMonth() + 1;
15       const Hour = createTime.getHours();
16       const Minute = createTime.getMinutes();
17       function padding(str) {
18         str = '' + str;
19         if (str[1]) {
20           return str;
21         } else {
22           return '0' + str;
23         }
24       }
25       return `${padding(Month)}-${padding(Day)} ${padding(Hour)}:${padding(Minute)}`;
26     }
27   };
28 }