[wp-trac] [WordPress Trac] #22886: Cannot use <tab> to go from Tags' input field to its Add button

[WordPress Trac]

#22886: Cannot use <tab> to go from Tags' input field to its Add button
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 Reporter:  Daedalon         |       Type:  defect (bug)
   Status:  new              |   Priority:  normal
Milestone:  Awaiting Review  |  Component:  Taxonomy
  Version:                   |   Severity:  normal
 Keywords:                   |
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 In the edit post page under wp-admin there's the Tags widget with an input
 textfield, a submit button and a "Choose from the most used tags"
 textlink, in that particular order in both HTML and in the RTL reading
 order.

 When the browser's focus is in the input textfield, as a user I expect
 that pressing the <tab> key moves the focus to the following item, the
 submit button, enabling the workflow of pressing <tab><space> to add a
 tag. In at least IE8 and any versions of Pale Moon / Firefox I've tried so
 far this isn't possible: the focus is moved to the textlink instead.

 The technical reason for this is that the submit button has
 'tabindex="3"'. Removing that tabindex solves the issue on Pale Moon /
 Firefox, but not knowing the reasons it was originally added, a different
 approach might be better.

 Summary of issues:

 1. Fix the <tab> handling in the Tags widget in wp-admin edit post screen
 by either
 1.a. removing the 'tabindex="3"' from the submit button in the Tags wp-
 admin edit post widget,
 1.b. change the tabindex's value to be such that it works on the most used
 browsers, or
 1.c. fix the functionality in JavaScript.

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Ticket URL: <http://core.trac.wordpress.org/ticket/22886>
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