var wsscat = function(name){
    var self = this;
    this.name = name;
    console.log(this);
    console.log(self);
}
wsscat('wsscat');
window.wsscat('wsscat');//因为它在window对象下执行的
var objThis = {
    x:'autumns',
    wsscat:wsscat
}
objThis.wsscat();//因为它在objThis对象下执行的

var wsscat = function(name){
    var self = this;
    this.name = name;
    console.log(this);
    console.log(self);
}
////通过构造函数new一个新对象时，this就指这个新对象
var obj = new wsscat('wsscat');//log wsscat{name:'wsscat'}对象

var wsscat = function(name){
    var self = this;
                var x = 'autumns';
    this.name = name;
    console.log(this);
    console.log(self);
    this.func = function(){
        console.log("wsscat's func");
    };
    this.func2 = function(){
        func3();//不能用self.func3()和this.func3()
    }
    //闭包里面，既嵌套函数里面如果想使用wsscat对象的方法或者变量要用self
    function func3(){
        console.log(this)//指向window对象
        //this.func();//报错this.func is not a function
        self.func();//不能用this.func(),也不能用func()
        console.log("wsscat's func3");
    }
}

var obj = new wsscat('wsscat');
obj.func2()

this.func = function(){
    console.log("wsscat's func");
};