call() apply()方法

//call() 方法可接受参数
var person={fullName:function(city,country){return this.firstName + " " +this.lastName + "," +city+","+country}
}
var person1={firstName:"mable",lastName:"Gates"
}
person.fullName.call(person1,"nanjing","china")

var person = {fullName: function(city, country) {return this.firstName + " " + this.lastName + "," + city + "," + country;}
}
var person1 = {firstName:"John",lastName: "Doe"
}
person.fullName.apply(person1, ["Oslo", "Norway"]);

//call() 和 apply() 之间的区别
//不同之处是：//call() 方法分别接受参数。//apply() 方法接受数组形式的参数。

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