<!DOCTYPE HTML><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>nextSibling</title></head><body><ul id="u1"> <li id="a">javascript</li> <li id="b">jquery</li> <li id="c">html</li> </ul> <ul id="u2"> <li id="d">css3</li> <li id="e">php</li> <li id="f">java</li> </ul> <script type="text/javascript"> function get_nextSibling(n){ var x=n.nextSibling; while (x && x.nodeType!=1){ x=x.nextSibling; } return x; } function get_priousSibling(m){ var x=m.priousSibling; while(x && x.nodeType!=1){ x=x.priousSibling; } } var x=document.getElementsByTagName("li")[1]; document.write(x.nodeName); document.write(" = "); document.write(x.innerHTML); var y=get_nextSibling(x); if(y!=null){ document.write("<br />nextsibling: "); document.write(y.nodeName); document.write(" = "); document.write(y.innerHTML); }else{ document.write("<br>已经是最后一个节点"); } var z=get_priousSibling(x); if(z!=null){ document.write("<br/>priousSibling："); document.write(z.nodeName); document.write(" = "); document.write(z.innerHTML);} else{ document.write("<br>已经是第一个节点") }</script></body></html>
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