Prototype - removeClassName() 方法

This method removes the element's CSS className and returns element.

Syntax

element.remove();

Return Value

Returns HTML element from which it removes CSS class.

Example

<html>
   <head>
      <title>Prototype examples</title>
      <script type = "text/javascript" src = "/javascript/prototype.js"></script>
      
      <script>
         function showResult() {
            // 删除类名之前
            var arr = $('dingo').classNames();
            
            arr.each(function(class) {
               alert( "Before Removing, Class name is " + class );
            });
            $('dingo').removeClassName('food');
            
            // 删除类名后
            var arr = $('dingo').classNames();
            
            arr.each(function(class) {
               alert( "After removing, Class name is " + class );
            });
         }
      </script>
   </head>

   <body>
      <p>单击按钮查看结果。</p>
      
      <div id = "dingo" class = "apple fruit food">
         <ul>
            <li id = "golden-delicious">Golden Delicious</li>
            <li id = "mutsu">Mutsu</li>
            <li id = "mcintosh">McIntosh</li>
            <li id = "ida-red">Ida Red</li>
         </ul>
      </div>
      
      <input type = "button" value = "Show Result" onclick = "showResult();"/>
   </body>
</html>

输出

prototype_element_object.html