About JS page time judgment, and some miscellaneous

$ ("#startDate"). Val (); For string date format   that is Yyyy-mm-ddfunction checktime () {         var sdate=$ ("#startDate"). Val ();         var  edate=$ ("#endDate"). Val ();         var startdate =  new date (Sdate.replace ("-", ",")). GetTime ()  ;         Var enddate = new date (Edate.replace ("-", ",")). GetTime ()  ;         if ( startDate > endDate )           {                  alert ("The start time cannot be greater than the end time!") ");                $ (" #endDate "). val ("")         }         retUrn true;} Function checknum (obj)  {         //Check for non-numeric values           if  (IsNaN (obj.value))  {           alert ("Please fill in numbers!");              obj.value =  "";              }          if  (obj != null)  {              //check for two-bit            if after decimal point   (Obj.value.toString (). Split ("."). Length > 1 && obj.value.tostring (). Split (".") [1].length > 2)  {                  alert ("No more than two digits after the decimal point!") ");                  obj.value =  "" ;             }          }     }  function checkisnan (obj)  {          //Check if it is a non-numeric value           if  (IsNaN (Obj.value))  {          alert (" Please fill in the numbers! ");              obj.value =  "";              }    }

This article is from the "Green Years" blog, be sure to keep this source http://alex233.blog.51cto.com/8904951/1758522

About JS page time judgment, and some miscellaneous