machinecat520
/
zj-Exercise


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>

        //测试题1
        // var x = 10
        // function fn(){
        //     console.log(x)
        // }
        // function show(f){
        //     var x = 20
        //     f()
        // }
        // show(fn)    //10

        // 测试题2
        var fn = function(){
            console.log(fn) //输出函数体
        }
        fn()

        var obj = {
            fn2:function(){
                console.log(fn2)    //报错
                console.log(this.fn2)   //输出函数体
            }
        }
        obj.fn2()

    </script>
</body>
</html>