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js.class.20180808080000's Introduction

このソフトウェアについて

JavaScript(ES6)でclassを使ってみる。demo

コード概要

main.js

const Human = require('js/app/Human');
let h = new Human();
h.name = "NAME";
h.Speak();

Main.js

class Human {
    constructor() {
        this.name = null;
    }
    Speak() {
        alert("name: " + this.name);
    }
};

技術情報

プロトタイプベースのオブジェクト志向

C#やJavaとは違う。Pythonに近い。

  • カプセル化できない
    • アクセス修飾子private, protectedなどの概念がない
  • オーバーロードできない
    • コンストラクタ
      • Uncaught SyntaxError: A class may only have one constructor
    • メソッド
      • 一度でも引数が多い方を実行すると、そちらが実行されてしまうっぽい
  • static
    • メソッド,getter,setterに付与できる(変数にはできない)
      • staticメソッド内のthisはクラス変数になる(インスタンス変数でなく)
  • interfaceがない

参考

開発環境

  • Raspberry Pi 3 Model B
    • Raspbian GNU/Linux 8.0 (jessie)
      • Chromium 56.0.2924.84 Built on Ubuntu 14.04, running on Raspbian 8.0

ライセンス

このソフトウェアはCC0ライセンスである。

CC0

js.class.20180808080000's People

Contributors

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