DOM Node对象属性lastChild指定节点的最后一个子节点。
语法
以下是lastChild属性的使用语法。
nodeObject.lastChild
示例
文件:node.xml 内容如下 -
<Company> 
   <Employee category = "Technical" id = "firstelement"> 
      <FirstName>Susen</FirstName> 
      <LastName>Su</LastName> 
      <ContactNo>1584567890</ContactNo> 
      <Email>susen@xuhuhu.com</Email> 
   </Employee>  
   <Employee category = "Non-Technical"> 
      <FirstName>Max</FirstName> 
      <LastName>Su</LastName> 
      <ContactNo>1334667898</ContactNo> 
      <Email>maxsu@xuhuhu.com</Email> 
   </Employee>  
   <Employee category = "Management"> 
      <FirstName>Min</FirstName> 
      <LastName>Su</LastName> 
      <ContactNo>1364562350</ContactNo> 
      <Email>minsu@xuhuhu.com</Email> 
   </Employee> 
</Company>
以下示例演示了lastChild属性的用法,文件:lastchild.html - 
<!DOCTYPE html>
<html>
   <meta charset="utf-8"/>
   <body>
      <script>
         if (window.XMLHttpRequest) {
            xmlhttp = new XMLHttpRequest();
         } else {
            xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
         }
         xmlhttp.open("GET","/node.xml",false);
         xmlhttp.send();
         xmlDoc = xmlhttp.responseXML;
         function get_lastChild(p) {
            a = p.lastChild;
            while (a.nodeType != 1) {
               a = a.previousSibling;
            }
            return a;
         }
         x = get_lastChild(xmlDoc.getElementsByTagName("Employee")[0]);
         document.write("最后一个子节点是: ");
         document.write(x.nodeName);
      </script>
   </body>
</html>
执行上面示例代码,得到以下结果 -

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