Hook the Keydown Event in the TinyMCE Post Editor
the TinyMCE Editor has its own keydown event handler and its hooked to a function on initiation so to do that you can create a tinymce plugin or use the wordpress initiation of it with tiny_mce_before_init hook like this: add_filter( ‘tiny_mce_before_init’, ‘wpse24113_tiny_mce_before_init’ ); function wpse24113_tiny_mce_before_init( $initArray ) { $initArray[‘setup’] = <<<JS [function(ed) { ed.onKeyDown.add(function(ed, e) … Read more