说一说javascript的“this”

var Charles = {
    living: true,
    age:23,
    gender:male,
    getGender:function(){ return Charles.gender;
    }
}; console.log(Charles.getGender()); //输出:male

var Charles = {
    living: true,
    age:23,
    gender:male,
    getGender:function(){ return this.gender; //注意“this” }
}; console.log(Charles.getGender()); //输出:male

var myObject = {
    myProperty: 'I can see the light',
    myMethod: function(){ var that = this; console.log(this); 
    //输出：'Object(这里是myObject)' var helperFunction = function(){ console.log(that.myProperty); 
    // 输出'I can see the light' console.log(this); //如果不使用`that`，则输出'window'，因为是在嵌套函数里面 }(); //立即执行 }
}
myObject.myMethod(); //调用 myMethod

var myObject = {
    func1: function(){ console.log(this); //输出 'Object'(第一层函数) var func2= function(){ console.log(this); 
    //从此处开始，this都是window（第二层函数） var func3= function(){ console.log(this); //当然是window }();
        }();
    }
}
myObject.func1();