HTML5 Archives | HTML Goodies
The original home of HTML tutorials. HTMLGoodies is a website dedicated to publishing tutorials that cover every aspect of being a web developer. We cover programming and web development tutorials on languages and technologies such as HTML, JavaScript, and CSS. In addition, our articles cover web frameworks like Angular and React.JS, as well as popular Content Management Systems (CMS) that include
JavaScriptの”this”をめぐる冒険 |
JavaScriptの"this"って難しいですよね。理解しないまま使ってると、思わぬところでグローバルオブジェクトを指していたり、そもそもvarでプライベートな変数にすべきところにもthisを使っていたり…。私もthisには散々悩まされてきたので、そろそろ完璧に理解しようと思い、以下の記事をまとめてみました。間違いを見つけたら指摘して頂けるとありがたいです。なお、文中の引用文章は読みやすさを考慮して適宜改行、強調を行っています。 thisとは何か。 まずは仕様書を見てみましょう。 ECMA-262 3rd 11.1.1 The this Keyword The this keyword evaluates to the this value of the execution context. ECMA-262 5th 11.1.1 The this Keyword The this k
Design Patterns
By definition, Design Patterns are reusable solutions to commonly occuring problems(in the context of software design). Design patterns were started as best practices that were applied again and again to similar problems encountered in different contexts. They become popular after they were collected, in a formalized form, in the Gang Of Four book in 1994. Originally published with c++ and smaltal
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[Webデザイン]iPhone スマートフォンサイトのデザインのまとめ | CSS Lecture
The "3DM" XML 3-way Merging and Differencing Tool
