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Code Not Working in Firefox: keyup event

6 New Member
I have a web page with the following items on it:

[HTML]<label for="commission schedule">
Commission Schedule<br />
<span id="charCounter ">1000 characters or less</span>
</label>
<textarea id="commissions chedule" rows="10" cols="40"></textarea>[/HTML]

I'm using a standard javascript addEvent function and am attaching a keyup event to the textarea as follows:

Expand|Select|Wrap|Line Numbers
  1. function addEvent(elm, evType, fn, useCapture)
  2. // cross browser event handling
  3. {
  4.   if (elm.addEventListener)
  5.   {
  6.    elm.addEventListener(evType, fn, useCapture);
  7.    return true;
  8.   } else if (elm.attachEvent)
  9.   {
  10.    var r = elm.attachEvent('on' + evType, fn);
  11.    return r;
  12.   } else
  13.   {
  14.    elm['on' + evType] = fn;
  15.   }
  16. }
  17.  
  18. function addListeners(e)
  19. {
  20.   var commissionSchedule = document.getElementById("commissionschedule");
  21.   addEvent(commissionSchedule, 'keyup', setCounter, false);
  22. }
  23.  
  24. function setCounter() {
  25.     var charCounter = document.getElementById("charCounter");
  26.     var commissionSchedule = document.getElementById("commissionschedule");
  27.     var currentLength = commissionSchedule.value.length;
  28.     var numCharsLeft = 1000 - currentLength;
  29.     var htmlFrag = document.createTextNode("" + numCharsLeft + " characters left");
  30.     while (charCounter.hasChildNodes())
  31.         charCounter.removeChild(charCounter.lastChild);
  32.     charCounter.appendChild(htmlFrag);
  33. }
  34.  
  35. addEvent(window, 'load', addListeners, false);
Now, I've done this a dozen times before (with 'click', though, not 'keyup'), and never had a problem, but in this case, the setCounter function is never called in Firefox. In IE this works perfectly, updating #charCounter with the number of characters left on each keyup event. However, in FF, the setCounter event handler is never even called. I have checked, and setCounter IS getting attached to the onkeyup even handler for the textarea at page load, but never actually fires once the user begins typing.

Any idea? Thanks a ton!
Aug 17 '07 #1
1 4390
mrhoo
428 Contributor
Nothing wrong with your script, its the html- firefox is stricter than IE.
A label can only contain its control element and text. Try this:

[HTML]<p >
<label for="commission schedule">Commi ssion Schedule</label>
<span id="charCounter ">1000 characters or less</span>
</p>
<textarea id="commissions chedule" rows="10" cols="40"></textarea>[/HTML]
Aug 18 '07 #2

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