Tip: you can modify some code before running
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>Query QQ online code</title><script type="text/javascript" language="javascript">Function btnClick () {var qq = document. getElementById ("txtqq"). value; var url = "http://labs.qq.com/ie8/preview? Uin = "+ qq; document. getElementById (" qqabout "). src = url ;}</script></head><body><input type="text" id="txtqq" /><input name="qqbtn" type="button" onClick="btnClick();" value="提交" /><br /><iframe id="qqabout" src="http://labs.qq.com/ie8/preview/?uin=89933313" width='320' height='240' scrolling=no name='I1' align='center' frameborder='0'></iframe></body></html>
Tip: you can modify some code before running