<script> ฟังก์ชั่น getDays (strDatestart, strdateend) {var strseparator = "-"; var odate1; var odate2; var idays; odate1 = strdatestart.split (strseparator); odate2 = strdateend.split (strseparator); var strdates = วันที่ใหม่ (odate1 [0], odate1 [1] -1, odate1 [2]); var strdatee = วันที่ใหม่ (odate2 [0], odate2 [1] -1, odate2 [2]); idays = parseInt (Math.Abs (strdates - strdatee) / (1,000*24*3600)) return idays; } Alert (getDays ('2014-02-26', '2014-08-18')) </script>