javascript - bootstrap input dropdown keyboard arrow -


i working combobox ( input + dropdown ) built around bootstrap on accessibility project.

i ran change made dropdown.js part of bootstrap between v3.3.0 , v3.3.1 breaks code.

when focus input, or down keyboard arrow used trigger dropdown menu want since goal make keyboard-only navigation possible doesn't work anymore.

when compare :

https://maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.js

and

https://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/js/bootstrap.js

the change ( 3.3.0, line 798 )

dropdown.prototype.keydown = function (e) { if (!/(38|40|27|32)/.test(e.which)) return

to ( 3.3.1, line 799 )

dropdown.prototype.keydown = function (e) { if (!/(38|40|27|32)/.test(e.which) || /input|textarea/i.test(e.target.tagname)) return

so, know can work around jquery there real reason change ? if not, can regarded bug report.

below bootply demo of widget. works bootstrap 3.3.0 , below if change bootstrap version popup above 3.3.0, doesn't respond arrows key.

http://www.bootply.com/2ght0mwrwd

there ongoing debate this, as logged in issue 15757.

the adjustment made in pull #15088 (dropdown: ignore keydown events coming inputs , textareas). don't state "why" necessary go route in release, after digging able find issue/debate involving developers , bootstrap team.

in debate, mentioned added:

"to allow spaces typed out in input within dropdown"

they still brainstorming solution, might suggest adding 2 cents debate. hope helps.


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