1.获取当前完整网址
<script type="text/javascript"> 
   
thisURL = document.URL; 
thisHREF = document.location.href; 
thisSLoc = self.location.href; 
thisDLoc = document.location; 
strwrite = " thisURL:  [" + thisURL + "]<br />" 
strwrite += " thisHREF:  [" + thisHREF + "]<br />" 
strwrite += " thisSLoc:  [" + thisSLoc + "]<br />" 
strwrite += " thisDLoc:  [" + thisDLoc + "]<br />" 
document.write( strwrite ); 
    </script>

2.获取当前域名信息
    <script type="text/javascript">

thisTLoc = top.location.href; 
thisPLoc = parent.document.location; 
thisTHost = top.location.hostname; 
thisHost = location.hostname; 
strwrite = "  thisTLoc:  [" + thisTLoc + "]<br />" 
strwrite += " thisPLoc:  [" + thisPLoc + "]<br />" 
strwrite += " thisTHost:  [" + thisTHost + "]<br />" 
strwrite += " thisHost:  [" + thisHost + "]<br />" 
document.write( strwrite );  
    </script>

3.获取当前页面
<script type="text/javascript"> 
 
tmpHPage = thisHREF.split( "/" ); 
thisHPage = tmpHPage[ tmpHPage.length-1 ]; 
tmpUPage = thisURL.split( "/" ); 
thisUPage = tmpUPage[ tmpUPage.length-1 ]; 
strwrite = " thisHPage:  [" + thisHPage + "]<br />" 
strwrite += " thisUPage:  [" + thisUPage + "]<br />" 
document.write( strwrite ); 
    </script>