切换tab，并且动态添加标签

标签：

<script type="text/javascript">
 /*处理ie7、ie8不兼容getElementsByClassName*/
 if(!document.getElementsByClassName) {
  document.getElementsByClassName = function(className, element) {
   var children = (element || document).getElementsByTagName(‘*‘);
   var elements = new Array();
   for (var i=0;i<children.length;i++) {
    var child = children[i];
    var classNames = child.className.split(‘ ‘);
    for (var j=0;j<classNames.length;j++) {
     if (classNames[j] == className) {
      elements.push(child);
      break;
     }
    }
   }
   return elements;
  };
 }
 var newNode = document.createElement("i");
 var _titles = document.getElementsByClassName(‘title‘);
 var _items = document.getElementsByClassName(‘_items‘);
 var _as = document.getElementsByClassName(‘title_a‘);
 _items[0].style.display = ‘block‘;
 _titles[0].insertBefore(newNode, _as[0]);
  for(var i = 0; i <_titles.length; i++){
   _titles[i].index = i; 
  _titles[i].onclick = function (){
   for(var j = 0;j< _items.length;j++){
     _items[j].style.display = ‘none‘;    
   }
   _items[this.index].style.display = ‘block‘;
   _titles[this.index].insertBefore(newNode, _as[this.index]);
  }
 } 
</script>

切换tab，并且动态添加标签

标签：

原文地址：http://www.cnblogs.com/goweb/p/5756444.html