原型 - removeClassName() 方法

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此方法删除元素的 CSS className，并返回元素。

语法

element.remove();

返回值

返回从中删除了 CSS 类的 HTML 元素。

示例

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

   <body>
      <p>Click the button to see the result.</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.htm
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