IE not detecting onChange properly - can I compensate?

[Csaba Gabor]

If I detect an empty textbox, I fill it with a value ('Dad').
If I do this twice, the second time around IE 6 fails to notice
that I've cleared the textbox again, thus leaving the textbox
cleared. Is there a recommended workaround?
Opera 7.23 is detecting the second deletion fine.

Thanks,
Csaba Gabor

The page snippet below illustrates what I mean:

<SCRIPT type='text/javascript'>
function changeNoted(inputElem) {
if (!inputElem.value) inputElem.value = 'Dad';
}
</SCRIPT><FORM>
<INPUT type='text' name='foo' value='Mom' onChange='changeNoted(this)'>
</FORM>

 

[Yann-Erwan Perio]

If I detect an empty textbox, I fill it with a value ('Dad').
If I do this twice, the second time around IE 6 fails to notice

<INPUT type='text' name='foo' value='Mom' onChange='changeNoted(this)'>

IE sucks. Use "onblur" instead of "onchange".


Regards,
Yep.

 

[Csaba Gabor]

Ahem. The following compensates for the mentioned Microsoft bug.
Evidently, clones are not quite identical, ha ha.

<FORM>
<INPUT type='text' name='foo' value='Mom' onChange='changeNoted(this)'>
</FORM>
<SCRIPT type='text/javascript'>
function changeNoted(inputElem) {
if (!inputElem.value) {
inputElem.value = 'Dad'; // all we should need, but for IE...
var cloned = inputElem.cloneNode(true);
if (cloned.value=='Dad') // Opera clone is fake (.value is 'Mom')
inputElem.parentNode.replaceChild(cloned, inputElem);
}
}
</SCRIPT>

Csaba Gabor
only tested on IE 6 and Opera 7.23
Note: this method introduces orphan nodes into the DOM