if(CKEDITOR.instances[YOURID]) {
// Editor is still there
} else {
// editor has been destroyed
}
you have to exchange YOURID with the id-property of the editor. Of course if you already have the variable that should contain the editor, you can also write
Re: Detect if editor was destroyed
you have to exchange YOURID with the id-property of the editor. Of course if you already have the variable that should contain the editor, you can also write