code: function (element, name) {
          if(browser.ie ){
              //针对color先单独处理一下
              if(name == 'color'){
                  name = '(^|;)' + name;
              }
              element.style.cssText = element.style.cssText.replace(new RegExp(name + '[^:]*:[^;]+;?','ig'),'')
          }else{
              if (element.style.removeProperty) {
                  element.style.removeProperty (name);
              }else {
                  element.style.removeAttribute (utils.cssStyleToDomStyle(name));
              }
          }
  
  
          if (!element.style.cssText) {
              domUtils.removeAttributes(element, ['style']);
          }
      }
docs: 删除元素element指定的样式
  @method removeStyle
  @param { Element } element 需要删除样式的元素
  @param { String } styleName 需要删除的样式名
  @example
  ```html
  <span id="test" style="color: red; background: blue;"></span>
  
  <script>
  
  var testNode = document.getElementById("test");
  
  UE.dom.domUtils.removeStyle( testNode, 'color' );
  
  //output: background: blue;
  console.log( testNode.style.cssText );
  
  </script>
  ```