代码改变世界

用于自动添加"Digg This!"按钮的JavaScript

2006-12-16 21:36  Cat Chen  阅读(595)  评论(0编辑  收藏  举报
var main=document.getElementById("main");
var singlepost=false;
var firstpost;
var anchor;
for(var i=0;i<main.childNodes.length;i++)
{
  
if(main.childNodes[i].className&&main.childNodes[i].className=="post")
  
{
    
var post=main.childNodes[i];
    
if(!firstpost)
    
{
      firstpost
=post;
    }

    
for(var j=0;j<post.childNodes.length;j++)
    
{
      
if(post.childNodes[j].className&&post.childNodes[j].className=="posthead")
      
{
        
var posthead=post.childNodes[j];
        
if(posthead.childNodes[1]&&posthead.childNodes[1].tagName&&posthead.childNodes[1].tagName=="H2")
        
{
          
if(posthead.childNodes[1].childNodes[1]&&posthead.childNodes[1].childNodes[1].tagName&&posthead.childNodes[1].childNodes[1].tagName=="A")
          
{
            anchor
=posthead.childNodes[1].childNodes[1];
          }

          
else
          
{
            anchor
=posthead.childNodes[1].childNodes[0];
          }

        }

        
else
        
{
          anchor
=posthead.childNodes[0].childNodes[0];
        }

        anchor.style.fontSize
="14pt";
        
if(anchor.className&&anchor.className=="singleposttitle")
        
{
          singlepost
=true;
        }

      }

    }

  }

}

if(singlepost)
{
  
var postfoot=document.createElement("div");
  firstpost.appendChild(postfoot);
  postfoot.className
="postfoot";
  postfoot.innerHTML
="<a href=\"http://del.icio.us/post?v=4&url="+encodeURIComponent(location.href)+"&title="+encodeURIComponent(document.title)+"\"><img src=\http://del.icio.us/favicon.ico\ alt=\"Add to del.icio.us\" border=\"0\"/><span>Add to del.icio.us</span></a>";
  postfoot.innerHTML
+="<a href=\"http://digg.com/submit?phase=2&url="+encodeURIComponent(location.href)+"&title="+encodeURIComponent(document.title)+"\"><img src=\http://digg.com/favicon.ico\ alt=\"Digg This!\" border=\"0\"/><span>Digg This!</span></a>";
  postfoot.innerHTML
+="<a href=\"http://www.facebook.com/share.php?u="+encodeURIComponent(location.href)+"\"><img src=\http://www.facebook.com/favicon.ico\ alt=\"Share on Facebook\" border=\"0\"/><span>Share on Facebook</span></a>";
  postfoot.innerHTML
+="<a href=\"http://www.google.com/bookmarks/mark?op=edit&bkmk="+encodeURIComponent(location.href)+"&title="+encodeURIComponent(document.title)+"\"><img src=\http://www.google.com/favicon.ico\ alt=\"Google Bookmark This\" border=\"0\"/><span>Google Bookmark This</span></a>";
}