function ExecScript(Code,Lang,Func:string):string;
var
script:OleVariant;
begin
script:=CreateOleObject('ScriptControl');
script.Language:=Lang;
script.AddCode(Code);
Result:=script.Eval(Func);
end;


procedure TForm1.Button1Click(Sender: TObject);
begin
Memo2.Lines.Text:=ExecScript(Memo1.Text,'JavaScript','getFullToday()');
end;