Basic web Editor Model

Var editor;
Editor = document. getElementById ("ftest"). contentWindow;
Alert(editor.doc ument. body. innerHTML );

// Simply enter the following settings and the iframe is immediately changed to the editor.
Editor.doc ument. designMode = 'on ';
Editor.doc ument. contentEditable = true;

// But IE is a little different from FireFox. To be compatible with FireFox, you must create a new document.
Editor.doc ument. open ();
Editor.doc ument. writeln ('');
Editor.doc ument. close ();

// Font effects-bold method 1

// Font effects-bold method 2
Function addBold ()
{
Alert ("asd ");
}