关于一个js的问题，请求大佬帮帮忙~
functionperson(first,last,age,eye){this.firstName=first;this.lastName=last;this.age=a...
function person(first,last,age,eye){
this.firstName = first;
this.lastName = last;
this.age = age;
this.eyeColor = eye;
}
var myFather = new person(‘John’ , ‘Doe’ , 50 , ‘blue’);
请问一下，这个需要怎么输出啊？大佬们，谢谢啦，爱你们~ 展开
this.firstName = first;
this.lastName = last;
this.age = age;
this.eyeColor = eye;
}
var myFather = new person(‘John’ , ‘Doe’ , 50 , ‘blue’);
请问一下，这个需要怎么输出啊？大佬们，谢谢啦，爱你们~ 展开
展开全部
function person(first,last,age,eye){
this.firstName = first;
this.lastName = last;
this.age = age;
this.eyeColor = eye;
}
person.prototype.getFirstName=function(){
return this.firstName;
};
var myFather = new person('John' , 'Doe' , 50 , 'blue');
console.log(myFather.getFirstName())
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