这个div里怎么有七个节点那么多?
<!DOCTYPE HTML> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>无标题文档</title> </head> <body> <div> <p>javascript</p> <div>jQuery</div> <h5>PHP</h5> </div> <script type="text/javascript"> var dd = document.getElementsByTagName("div")[0].childNodes; for(var i=0;i<dd.length;i++){ document.write((i+1)+":"+" "+dd[i]+"<br/>"); document.write(dd[i].nodeName+"<br/>") } </script> </body> </html>
这个div里怎么有七个节点那么多?