amachang https://blog.hatena.ne.jp/amachang/ IT戦記 https://amachang.hatenablog.com/ JavaScript まあ意味の無いクラスですけど以下のようなコレクションクラスを作ります。 var Container = function() {}; Container.prototype = { length: 0, buffer: [], add: function(obj) { this.length++; this.buffer.push(obj); }, toString: function() { var stringBuffer = ['Length is ', this.length, '. Contents are [', this.buffer, '].']; return stringB… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Famachang.hatenablog.com%2Fentry%2F20060323%2F1143127915" title="オブジェクト指向 JavaScript で陥りやすく見つけにくいミス。 - IT戦記" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2006-03-23 00:31:55 rich https://amachang.hatenablog.com/entry/20060323/1143127915 1.0 100%