uses
MSHTML;
procedure TForm1.Button1Click(Sender: TObject);
begin
Webbrowser1.Navigate('www.baidu.com');
//启动一个网站的网页
end;
procedure TForm1.Button2Click(Sender: TObject);
var
Range: IHTMLTxtRange;
begin
Range := ((WebBrowser1.Document as IHTMLDocument2).body as
IHTMLBodyElement).createTextRange;
Range.collapse(False);
Range.pasteHTML('<br><b>大家好,我是老李,csdn Id Laoli</b>');
//加入你要加的东西
end;