对象属性有两种寻址方法 

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>童心少年</title>
  </head>
  <body>
      <script>
          var person={
              firstname:"John",
              lastname:"Doe",
              id : 5566
          };
          document.write(person.lastname+"<br>");
          document.write(person["lastname"]+"<br>");
    </script>
  </body>
</html>

 

posted @ 2025-11-15 11:38  爱吃泡面的皮卡  阅读(4)  评论(0)    收藏  举报