[wp-trac] [WordPress Trac] #24882: Twenty Fourteen: Left menu / bar column -- have it be sticky-ish.

[WordPress Trac]

#24882: Twenty Fourteen: Left menu / bar column -- have it be sticky-ish.
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 Reporter:  georgestephanis  |       Owner:
     Type:  enhancement      |      Status:  new
 Priority:  normal           |   Milestone:  3.8
Component:  Bundled Theme    |     Version:
 Severity:  normal           |  Resolution:
 Keywords:  needs-patch      |
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Comment (by georgestephanis):

 24882.diff accomplishes this, but has an event that fires on
 `$(window).scroll()`

 Running on scroll can be a bit of a performance hit, so I'd prefer to see
 it short-circuit and return early most times, which means instead of
 manually setting the `top` via .css() it will need to toggle on and off
 `fixed` positioning when it's at the edges, and switch to `relative`
 positioning when it's in the middle.

 If there's concern about the JS still being too weighty, we could run a
 test to determine if the browser is lagtastic, and not do it for those
 browsers.  Or include a toggle in the admin to let the user determine
 whether they feel this to be a worthwhile offset.

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Ticket URL: <http://core.trac.wordpress.org/ticket/24882#comment:1>
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