Re: IE6 onlick not firing

Will Holley wrote:
> We have a number of anchor tags in our web app which look like:
>
> <a href='javascript:void(0)' class = 'btnExpand' onclick = 'return
> showDetails()'>+</a>

Just out of curiosity, why are you returning a value? If false, the void
operator is not called. If true, it is. Since void evaluates an expression
without returning a value, what is the point of doing it conditionally,
especially when that expression is a constant?

Side note: as an operator, void does not require parentheses. "void 0" and
"void(0)" are equivalent, except that the parentheses force an unneccessary
evaluation.

Side side note: http://jibbering.com/faq/#FAQ4_24



> However, if we change the code to be:
>
> cell.innerHTML = "<a href='javascript:void(0)'
> class='btnExpand'>+</a>"; cell.firstChild.onclick = showDetails;
>
> then all is ok again!

Notice the difference? You are not returning a value in this one. Makes you
wonder why you ever did (since all is ok without returning a value), doesn't
it?



> 1. Our app is targeted at IE6+.

Meaning you don't even need <a> tags, since IE rightly supports click events
on many containers. Furthermore, since you already have a defined style, you
can make it look clickable:

.btnExpand { cursor:pointer }
<span class="btnExpand" onclick="showDetails()">+</span>



> 2. Changing all events in the app is not an option.

Of course it's an option: 1) If you cannot make them work for all users any
other way, then you will correct the way they are written, and 2) They are
incorrectly implemented and *should* be changed.




> 3. On one machine the original code works for some users and not for
> others (active dir 2003 profiles - all admins and supposedly
> identical).
> 4. Conversely, the behaviour follows the user profile around on
> whatever machine they happen to use.

#4 demands that #3 is true for all machines. And it is somewhat inconsistent
with "We recently bought a bunch of new development machines and for some
developers, the onclick event does not fire."



> 5. In a test page in the same app inline onclick events always work
> for all users.

How does the test page differ from the non-working ones?



--
Dave Anderson

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