W3School TIY
编辑您的代码：
<!DOCTYPE html> <html> <head> <script src="../jquery/jquery-1.11.1.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); }); }); </script> </head> <body> <button>显示文档和窗口的尺寸</button> </body> </html>
查看结果: