dynamic - check existense of div with id and insert some html code -


How can I insert something under a certain div?

I have a jwplayer on my page, usually jwplayer-1 is inserted for WordPress by jwplayer plugin.

What I want to be able to do is to insert such a drive down, if it exists.

For example, if there is a player in my page, 

  
 
 You can do this:  
  $ ('

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