<!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> javascript <p>javascript</p> <div>jQuery</div> <h5>PHP</h5></div><script type="text/javascript"> var div = document.getElementsByTagName('div')[0].childNodes; for(var a in div){ document.write(div[a].nodeName+' '+div[a].nodeValue+" "+div[a].nodeType+'<br/>'); } </script></body></html>以下为输出：javascriptjavascriptjQueryPHP#text javascript 3P null 1#text 3DIV null 1#text 3H5 null 1#text 3undefined undefined undefinedundefined undefined undefinedundefined undefined undefinedundefined undefined undefinedundefined undefined undefinedundefined undefined undefined
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