I just can't select the HTML option in an online html editor. Like the one you see in fact when you create a thread in here. I tried these various UB codes:
run javascript("javascript:tinyMCE.execInstanceCommand(\'mce_editor_0\',\'mceCodeEditor\',false);")
click(<outerhtml="<a id=\"mce_editor_0_code\" href=\"javascript:tinyMCE.execInstanceCommand(\'mce_editor_0\',\'mceCodeEditor\',false);\" onclick=\"tinyMCE.execInstanceCommand(\'mce_editor_0\',\'mceCodeEditor\',false);return false;\" onmousedown=\"return false;\" class=\"mceButtonNormal\" target=\"_self\"><img src=\"http://www.