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父页== <!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>无标题文档</title> </head> <body> <div> <iframe src="2.html"></iframe> </div> </body> </html> ====2.html== <!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>无标题文档</title> </head> <style type="text/css"> html,body { padding:0px;margin:0px; font-family: "宋体";color: #4b4b4;background-color: #fff; height:100%;text-align: center; } </style> <body> </body> <script> function addListener(element,e,fn){ element.addEventListener?element.addEventListener(e,fn,false):element.attachEvent("on" + e,fn)}; function removeListener(element,e,fn){ element.removeEventListener?element.removeEventListener(e,fn,false):element.detachEvent("on" + e,fn)}; //封装后统一的调用方式 addListener(document.body,"click",aa); function aa(){ alert(); } </script> </html> ==== 注意这个样式是必须的,你也可以删除了试试看 <style type="text/css"> html,body { padding:0px;margin:0px; /*这句保证空白页面不会出现滚动条*/ height:100%; } </style> === 如果你觉得那个js封装太恶心,你这样用也可以,不过兼容性就差点 <body onclick="alert('')"> </body>