var Human = function(name) { this.name = name; this.sayMyName = function() { alert(this.name); }; }; var amachang = new Human(' 天野'); alert(amachang.name); // 天野と表示 amachang.sayMyName(); // 天野と表示
var Human = function(name) { this.name = name; }; Human.prototype = { sayMyName: function() { alert(this.name); } }; var amachang = new Human('天野');