Prototype - Form.Element select() 方法

此方法选择文本输入中的当前文本。

语法

formElement.select();

返回值

它返回选定的 HTML 元素。

示例

<html>
   <head>
      <title>Prototype examples</title>
      <script type = "text/javascript" src = "/javascript/prototype.js"></script>
      
      <script>
         function showResult() {
            var elem = $('searchbox');
            Form.Element.select(elem)
         }
      </script>
   </head>

   <body>
      <p>Enter some value 单击按钮查看结果。</p>
      <br />

      <form id = "example" action = "#">
         <fieldset>
            <div>
               <label for = "searchbox">Search</label>
               <input id = "searchbox" name = "searchbox" type = "text">
            </div>
            <div>
               <input value = "Result" type = "button" onclick = "showResult();">
            </div>
         </fieldset>
      </form>
      
   </body>
</html>

输出

prototype_form_management.html