Keycodes not working in Mozilla with Javascript

Question

I have code in javascript which get keycodes of different keys and set it to hidden field. Hidden field is then manipulated by server side code. My code is:

function TriggeredKey(e) {
   e = e || window.event;
   var keycode;
   if (window.event){
     keycode = event.which ? window.event.which : window.event.keyCode;
   }
   alert(keycode);
    document.getElementById("<%=hdfkey.ClientID %>").value = keycode;
   _dopostback();
}

This code works fine in Chrome but not in Mozilla. Can someone please provide me the solution for this problem?

Here is the detailed answer related to it. Click here

Arsman Ahmad
– Arsman Ahmad

2017-04-18 11:26:34 +00:00
Commented Apr 18, 2017 at 11:26 — Arsman Ahmad
– Arsman Ahmad, Commented Apr 18, 2017 at 11:26

Jibi Abraham · Accepted Answer · 2012-03-23 06:42:28Z

2

function TriggeredKey(e) {
   e = e || window.event;
   var keycode;
   if (window.event){
       //this check fails in mozilla/
       //so the variable keycode is undefined
       keycode = event.which ? window.event.which : window.event.keyCode;
   }
   if(!keycode){keycode = e.which}
   //solves the issue
   alert(keycode);
   document.getElementById("<%=hdfkey.ClientID %>").value = keycode;
  _dopostback();
}

Fiddle

Check the fiddle in mozilla

Fiddle result

edited Mar 23, 2012 at 6:42

answered Mar 23, 2012 at 6:09

Jibi Abraham

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10 Comments

raina Over a year ago

Thanks for the rply but again same problem is there.

Jibi Abraham Over a year ago

I currently run Firefox 10.0.2

raina Over a year ago

yes, I have used this code on keydown event of a textbox in asp.net. In fiddle it is shown on keypress. same prblm in keydown event

Jibi Abraham Over a year ago

what is this problem? Can you be a bit more specific? What do you get in the alert?

Jibi Abraham Over a year ago

ok, but what exactly is the problem? Is the alert showing properly but the element not being updated?

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