備忘録 Javascript コンストラクタ - Qiita

var Human = function(name, weight, height){ this.name = name; this.weight = weight; this.height = height; this.getBmi = function(){ this.bmi = this.weight / (this.height * this.height); return this.bmi; } } var human = new Human("tanaka", 65, 1.7); console.log(human.name + "さんのBMIは" + Math.round(human.getBmi()) + "です。");