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  • js输出

     function foo(n){

        if(n<2) return n;
        return foo(n-1)+foo(n-2);
    }
    let a=foo(6);


    function test(a){
        a=a+10;
    }
    var a=10;
    test(a);
    console.log(a);


     


    var x=1234;
    function test(x){
        console.log(x);
        var x=123;
        function x(){
       
        }
        console.log(x);
    }
    test(444);

    var obj={
        name:'jack',
        fun:function(){
           console.log(this.name);
        }
    }
    var obj2={
        name:'jay'
    }
    var fun=obj.fun.bind(obj);
    fun.call(obj2);


    function f(n){
        if(n<=3){
            return 1;
        } else{
            return f(n-2)+f(n-6)+1;
        }
    }
    var a=f(12);
    console.log(a);

    (function(callback){
        person = {name:'Lily'};
        callback(person);
    })(function(obj){
        obj.name = 'Lucy';
        obj = {name:'Marry'};
    });

    执行后name的值


    const fib=n=>n<=2?1:fib(n-2)+fib(n-1);
    console.log(fib(5));


    var user = {
        count:1,
        getCount:function(){
            return this.count;
        }
    }
    var func=user.getCount
    console.log(func());


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  • 原文地址:https://www.cnblogs.com/Amy-world/p/9684328.html
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