Is there a way to determine if execCommand('undo') is executable? [JavaScript]

Question

I am trying to determine if the execCommand(\'undo\') can be executed.

I\'ve tried this one:

if(document.execCommand(\'undo\'))
{
    document.execComman         


        

Answer 1

• document.queryCommandSupported http://msdn.microsoft.com/en-us/library/ms536681(VS.85).aspx
• document.queryCommandEnabled http://msdn.microsoft.com/en-us/library/ms536676(VS.85).aspx

(yes, Midas is based on IE interfaces)