HTML_Practice/function_10.html at master · cheonsong/HTML_Practice · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script>
        function CheckWeight(name,height,weight){
            this.userName = name;
            this.userWeight = weight;
            this.userHeight = height;
            this.minWeight;
            this.maxWeight;
        }
        CheckWeight.prototype.getInfo = function(){
            var str = "";
            str += "이름: " + this.userName + ", ";
            str += "키: " + this.userHeight + ", ";
            str += "몸무게: " + this.userWeight + "<br>";
            return str;
        }
        CheckWeight.prototype.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 "정상 몸무게보다 미달입니다.";
            }
            else{
                return "정상 몸무게보다 초과입니다.";
            }
        }

        var jang = new CheckWeight("장보리", 168, 62);
        var park = new CheckWeight("박달재", 180, 88);
        console.log(jang);
        console.log(park);

        document.write(jang.getInfo());
        document.write(park.getInfo());
    </script>
</head>
<body>

</body>
</html>