setContent of an textarea with tinyMCE

Question

I have some textareas and all of them are with tinyMCE.

I would like to set the content of the specific textarea, but I can\'t find how.

I have tryed this:

Answer 1

For tinymce version 4,

tinymce.get('title').setContent(selected_article_title);

works just fine - also after initializing the editor.