Use improvements of jQuery 3.3
authorFomafix <fomafix@googlemail.com>
Tue, 11 Sep 2018 16:08:09 +0000 (18:08 +0200)
committerFomafix <fomafix@googlemail.com>
Tue, 11 Sep 2018 18:37:57 +0000 (20:37 +0200)
commitd1aa925b8426abd71148856460d7f5d203d56fbe
treef79b239d0641a61168bf6789024c458e0a77692c
parentfa314e1c4304e7635766bcc31a7a73cbfd394a6e
Use improvements of jQuery 3.3

Since jQuery 3.3 .addClass() supports arrays. [1]

Replace
  .addClass( classes.join( ' ' ) )
by
  .addClass( classes )

[1] https://blog.jquery.com/2018/01/19/jquery-3-3-0-a-fragrant-bouquet-of-deprecations-and-is-that-a-new-feature/

Change-Id: I5dbac90c8021963840f36798ed01b31dce063c50
resources/src/mediawiki.rcfilters/ui/mw.rcfilters.ui.ItemMenuOptionWidget.js