[Koha-bugs] [Bug 24518] New: Partner filtering does not work in IE11

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=24518

            Bug ID: 24518
           Summary: Partner filtering does not work in IE11
 Change sponsored?: ---
           Product: Koha
           Version: master
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P5 - low
         Component: ILL
          Assignee: koha-bugs at lists.koha-community.org
          Reporter: andrew.isherwood at ptfs-europe.com

We're doing something like this to hide options that are not applicable to the
current filtering string:

$('#my_select_option').hide();

This applies the following CSS rule to the <option> element:

display: none

It turns out that IE won't hide option elements. So, that's annoying.

We have a couple of choices here. We could either clone the entire list of
partners, filter out the ones that don't match the search string and then use
the remainder to repopulate the <option> elements. Or we could wrap the
<options> in something that IE11 will apply display:none to, such as a <span>
or something. However, this will lead to something that is semantically
incorrect for HTML5, since a <select> can only have <option> or <optgroup> as
it's children.

Despite the first option feeling a bit gnarly, I'm going to go for that as it
will fix the problem and not lead to broken markup.

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