Question

以下scipt返回文档（HTML文档）和窗口的宽度和高度。但它的返回错误。

    <html>
     <head>
        <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js">
         </script>
          <script>
            $(document).ready(function(){
             $("button").click(function(){
               var txt="";
              txt+="Document width/height: " + $(document).width();
             txt+="x" + $(document).height() + "\n";
              txt+="Window width/height: " + $(window).width();
           txt+="x" + $(window).height();
           alert(txt);
           });
          });

         </head>
              <body>

               <button>Display dimensions of document and window</button>

                  </body>
                      </html>

Answer 1

在头标记

之前缺少结束<script>标记

Answer 2

右.. </script>缺失，请替换下面的

</head>
<body>

通过

</script>
</head>
<body>

我在浏览器上看不到按钮

2 个答案: