[wp-trac] [WordPress Trac] #32197: Twemoji script and editor expansion combo making editor ridiculously slow in some circumstances

[WordPress Trac]

#32197: Twemoji script and editor expansion combo making editor ridiculously slow
in some circumstances
--------------------------+------------------
 Reporter:  Otto42        |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  4.3
Component:  TinyMCE       |     Version:  4.1
 Severity:  major         |  Resolution:
 Keywords:                |     Focuses:
--------------------------+------------------
Changes (by azaozz):

 * version:  4.2 => 4.1
 * milestone:  Awaiting Review => 4.3


Comment:

 This is a problem with the textarea resize function. On keyup it copies
 all content from the textarea to a hidden div, then calculates the div
 height and sets the textarea height. For a long post that can become very
 slow.

--
Ticket URL: <https://core.trac.wordpress.org/ticket/32197#comment:6>
WordPress Trac <https://core.trac.wordpress.org/>
WordPress publishing platform