<!DOCTYPE HTML><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>無(wú)標(biāo)題文檔</title></head><body><div>javascript<p>javascript</p><span>jQuery</span><h5>PHP</h5></div><script type="text/javascript">?????????var text=document.getElementsByTagName('div')[0].childNodes;?????????for (var i=0;i<text.length;i++)?????????{????????? ? ?document.write(text[i].nodeName+'<br>');????????? ? document.write(text[i].nodeValue+'<br>'); ? ??????????? ? document.write(text[i].nodeType+'<br>'+'<br>'+'<br>');????????? ? }</script></body></html>
js子節(jié)點(diǎn)的訪問(wèn)，var text=document.getElementsByTagName('div')[0].childNodes;為什么是【0】
慕粉3204329
2016-12-13 11:56:09
