error occurs while running th javascript code

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my code is below

XML

<script type="text/javascript">
//        function pageLoad() {
//            alert("deltiming.innerHTML");
//        }
        function numonly(evt) {
//            debugger;
            var nbr;
            var nbr = (window.event) ? event.keyCode : evt.which;
            if (nbr >=01 && nbr <=23 ) {
                return true;
            }
            else {
                alert("Mention the time correctly");
                return false;
            }
        }
        function nummin(evt) {
            var min;
            var min = (window.event) ? event.keyCode : evt.which;
            if (min >=00 && min <= 59) {
                return true;
            }
            else {
                alert("Mention the time correctly");
                return false;
            }
        }
        function timing() {
            var deliverytime = document.getElementById("deltiming");
            var html = "<table class=\"tbl1\" align=\"center\"><tr><td>HH</td><td>MM</td></tr><tr><td><input type='text' size='1' maxlength='2' onkeypress=\"javascript:return numonly(event);\" /></td><td><input type='text' size='1' maxlength='2' onkeypress=\"javascript:return nummin(event);\" /></td></tr></table>";
            deliverytime.innerHTML = html;


        }
    </script>

when i am run this code it shows error mention the time correctly when i enter 01 in HH textbox.

Posted 15-Feb-12 21:34pm

vivekx2

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Sudip Saha · Answer 1 · 2012-02-15T21:38:00

Use below script for your requirement

XML

<html>>
   <HEAD>
   <SCRIPT language="Javascript">
      <!--
      function isNumberKey(evt,val)
      {
         var charCode = (evt.which) ? evt.which : event.keyCode
         if (charCode > 31 && (charCode < 48 || charCode > 57))
            {
  alert("Mention the time correctly");

      return false;
       }
      else
      {
         if(val>23)
      {
        return false;
          alert("Mention the time correctly");

        }
  else
      {
         return true;
       }
   }
      }
      //-->
   </SCRIPT>
   </HEAD>
   <BODY>
      <INPUT id="txtChar" onkeypress="return isNumberKey(event,this.value)" type="text" name="txtChar">
   </BODY>
</HTML>

Sarvesh Kumar Gupta · Answer 2 · 2012-02-15T23:43:00

Solution 2

Hi, change your code with below code:

JavaScript

var min = (evt.keyCode) ? evt.keyCode : evt.which;

Posted 15-Feb-12 23:43pm

Sarvesh Kumar Gupta

Comments

vivekx2 16-Feb-12 6:08am

can u give me this javascript code without using ascii values and directly get value from textbox and compare it by original time....

thanks in advance

[no name] 16-Feb-12 11:54am

you have to be check ascii value bcoz on keypress event,it is checked by ascii value only.