用js查找法实现当前栏目的高亮显示的代码

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var myNav = document.getElementById("nav").getElementsByTagName("a"); 
for(var i=0;i<myNav.length;i++) 
{ 
 var links = myNav[i].getAttribute("href"); 
 //alert(links) 
 //alert(myNav[i]); 
 var myURL = document.location.href; 
 if(myURL.indexOf(links) != -1) 
 { 
  myNav[i].className="d"; 
 } 
}

var myNav = document.getElementById("nav").getElementsByTagName("a"); 
for(var i=0;i<myNav.length;i++) 
{ 
 var links = myNav[i].getAttribute("href"); 
}