객체 생성자 함수
내장 객체를 생성할 때는 이미 자바스크립트 엔진에 내장되어 있는 객체 생성자 함수를 사용하여 객체를 생성합니다.
객체 생성자 함수
function obj5(a,b){
this.a = a;
this.b = b;
this.c = function(){
return a * b;
}
}
let result1 = new obj5(100,200);
let result2 = new obj5("자바스크립트", "실행했습니다.");
document.write(result1.a);
document.write(result1.b);
document.write(result1.c());
document.write(result2.a);
document.write(result2.b);function CheckWeight(name, height, weight){
this.userName = name;
this.userHeight = height;
this.userWeight = weight;
this.minWeight;
this.maxWeight;
this.getInfo = function(){
let str = "";
str += "이름: " + this.userName + ", ";
str += "키: " + this.userHeight + ", ";
str += "몸무게: " + this.userWeight + ",";
return str;
}
this.getResult = function(){
this.minWeight = (this.userHeight - 100)*0.9-5;
this.maxWeight = (this.userHeight - 100)*0.9+5;
if(this.userWeight > this.minWeight && this.userWeight <= this.maxWeight){
return "정상 몸무게입니다.";
}else if(this.userWeight < this.minWeight){
return "살좀 찌세요.";
}else{
return "살좀 빼세요";
}
}
}
let lee = new CheckWeight("황", 178, 73);
let seo = new CheckWeight("푸우", 190, 80);
document.write(lee.getInfo());
document.write(lee.getResult());
console.log(lee);Last updated
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