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关于firefox中iframe对象内DOM对象的获取

已有 1760 次阅读2009-11-8 14:49 |个人分类:杂感|系统分类:单片机

关于firefox中i对象内DOM对象的获取

在firefox中i的属性可以采用.getElementById实现,但是DOM对象却不能通过此方式获得。中间很多人提到了跨域访问的问题。我个人觉得不应当是这个问题,而应当是属于对象获取的问题。
i对象当认为是一个DOM window窗口后,应.self.document对象可以获得内部的DOM结构。

示例文件:
1.status.xul
2.1.html
3.btn1.js

btn1.js
  button1()
{
    alert("button1 on ");

    domain = "1.html";
    title = contentview.title;
    var name = contentview.name;
    var window = contentview.self;
    var doc = document;
    title = "node ";
   
    var btn2 = doc.getElementById("btn2");

    var label = btn2.label;
    btn2.label = "lalala";
    btn2.text ="123";
    btn2.name = "456";
    btn2.innerHTML = "789";


 }


1.html
 <html>
    <titie>this s test </title>
   <body>
    <h1>妹妹的一天</h1>
    <p>早上吃早点,中午约会吃饭,下午K歌,晚上和哥哥瞎折腾</p>
    <button id = "btn2" label="node2" oncommand = "button1()">this test</button>
  </body>
</html>

status.xul
<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin/" type="text/css"?>
<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
        id="statswindow" title="狗蛋的偷菜之旅">
   <vbox flex="1">
    <hbox id="toppanel">
      <label value="Enter a URL:"/>
      <textbox id="url" flex="1" value="http://wap.kaixin001.com"/>
      <button label="Go!"/>
    </hbox>
    <deion value="Current page:"/>
    <hbox flex="1">
      <i id="contentview" src="1.html" flex="2">
       < language="java" src="btn1.js">
 
  </>
     </i>   
      <vbox>
       
        <groupbox>
          <caption label="Stats"/>
          <grid flex="1">
            <columns>
              <column flex="1"/>
              <column flex="1"/>
            </columns>
            <rows>
              <row>
                <label value="Word count"/>
                <textbox class="count" id="wordcount" value="N/A" readonly="true"/>
              </row>
              <row>
                <label value="Character count"/>
                <textbox class="count" id="charcount" value="N/A" readonly="true"/>
              </row>
              <row>
                <label value="Element count"/>
                <textbox class="count" id="elemcount" value="N/A" readonly="true"/>
              </row>
            </rows>
          </grid>
        </groupbox><hbox id="1">
          <button id = "btn1" label="add tree node" oncommand = "button1()"></button>
        </hbox>
        <hbox>
          <tree rows="6" flex="1"> 
              
              <treecols>
                <treecol id="nameColumn" label="Name" flex="1"/>
                <treecol id="addressColumn" label="Address" flex="2"/>
                  </treecols> 
             
              <treechildren> 
                 <treeitem container="true" open="true"> 
                     <treerow> 
                           <treecell label="Guys"/> 
                         </treerow> 
                
                      <treechildren> 
                          <treeitem> 
                               <treerow> 
                                  <treecell label="Bob"/> 
                                 <treecell label="Carpenter"/> 
                               </treerow> 
                           </treeitem> 
                         <treeitem> 
                             <treerow> 
                                 <treecell label="Jerry"/> 
                                <treecell label="Hodge"/> 
                                </treerow> 
                           </treeitem> 
                     </treechildren> 
                   </treeitem> 
               </treechildren> 
           </tree> 
        </hbox>
       
        <spacer flex="1"></spacer>
      </vbox>
    </hbox>
  </vbox>


</window>



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