Data Type JavaScript DHTML

  1. Home
  2. JavaScript DHTML
  3. Data Type
  4. Validate a time value input with string indexOf method



function check_it()
{
     var thetext=document.myForm.the_time.value;
     if (thetext.indexOf(":") == -1)
     {
          window.alert("No colon(:)");
          return false;
     }
     else
     {
         return true;
     }
}




Time: