2.16.JavaScript--函数作用域

函数作用域与变量作用域差不多

参考变量作用域

http://www.cnblogs.com/xiaozhanga4/archive/2012/03/04/2379186.html

<!DOCTYPE HTML>
<html >
<head>
        <meta charset="UTF-8">
        <title>2.16.JavaScript.函数作用域</title>
</head>
<body>
        <script type="text/javascript">
                /*
                var func = function(){
                        document.write("1 ");
                }
                func();
                var func = function(){
                        document.write("2");
                }
                func();
                */
                
                function func(){
                        document.write("3 ");
                }
                func();
                function func(){
                        document.write("4");
                }
                func();
                
        </script>
</body>
</html>