time format need to be add in my javascript

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the textbox must contain only numeric values...So i added this function given below

C#

function nummins(evt) {
            var vlr;
            var vlr = (window.event) ? event.keyCode : evt.which;
            if ((vlr >= 48 && vlr <= 57) || vlr == 8) {
                return true;
            }
            else {
                alert("Time should be a Numeric Value");
                return false;
            }
        }

It gives me correct output...
But my problem is in this function I want a code for 12hr time format i.e.,the textbox value must be 1 to 12....

Can anyone help me....

Posted 17-Feb-12 0:53am

vivekx2

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Sudip Saha · Answer 1 · 2012-02-17T01:59:00

C#

function nummins(evt,val) {
            var vlr;
            var vlr = (window.event) ? event.keyCode : evt.which;
            if ((vlr >= 48 && vlr <= 57) || vlr == 8) {
       if(val<13)
             {
                return true;
          }
        else
        {
          return false;

         }
            }
            else {
                alert("Time should be a Numeric Value");
                return false;
            }
        }
<input type="text" id="txt" onkeypress="return nummins(evt,this.value)"></input>

Sanjeev Alamuri · Answer 2 · 2012-02-17T01:17:00

Before return true, add the following code
Take one more argument to this function to refer current object i.e. textbox

C#

function nummins(evt,this) {
            var vlr;
            var vlr = (window.event) ? event.keyCode : evt.which;
            if ((vlr >= 48 && vlr <= 57) || vlr == 8) {
                 
                var num=Number(this.value);
                if(num>12)
                {
                    return false;
                }
                else
                {
                    return true;
                }
            }
            else {
                alert("Time should be a Numeric Value");
                return false;
            }
        }

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time format need to be add in my javascript

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