以前看了JS方面的书,如今用到了,书看得再多,不用就忘了,所以经常用用你所学到的知识,温故知新。
<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/> <title>###</title> <meta keywords="商品目录"/> <meta description="JS查找孩子节点"/> <script type="text/javascript"> function getContent() { var x=document.getElementById("content"); for(var i=0;i<x.childNodes.length;i++) { if((content=x.childNodes[i].innerHTML)=="目录") { var next=x.childNodes[i].nextSibling.nextSibling.textContent; alert(next); } } } window.onload=getContent; </script> </head> <body> <div id="content"> <h3>商品</h3> <div id="1"> <p >this is the first paragragh</p> </div> <h3>作者</h3> <div id="2"> <p>this is the second paragragh</p> </div> <h3>目录</h3> <div id="3"> <p>this is the third paragragh</p> </div> </div> </body> </html>
还需要努力和实践,坚持,加油。