January 2014
Intermediate to advanced
352 pages
6h 34m
Japanese
Content preview from JavaScriptで学ぶ関数型プログラミング
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
34
1 章 関数型 JavaScript へのいざない
込んでいる
JavaScript
ライブラリのヘビー級チャンピオン
jQuery
にも同じことが言
えます。
確かに、ゲームなどの低いレイテンシを求められるシステムのように、実行速度が
求められる領域は存在します。しかし、このようなシステムの実行要求であっても、
関数型プログラミングの技術を使うことによって実行速度が必ず遅くなるわけではあ
りません。
nth
のような関数をレンダリングのループの中で使うようなことはするべ
きではありませんが、それでも総合的に見ると、関数型の構造を取り入れることでシ
ステムに利益をもたらすことができます。
私自身のプログラミングスタイルの一番重要なルールは「美しいコードを書く」で
す。私自身のキャリアにおいて、このゴールの達成度は様々なものでしたが、いつも
このゴールのために努力してきました。美しいコードを書くということは、異なる観
点からコンピュータに向かう時間を最適化してくれます。つまり、机に向かってキー
ボードを叩く時間が短縮されるということです。私自身は関数型スタイルで上手く記
述されたコードは格別に美しいと思っています。そして、あなたが本書を読み終わる
頃にはこの意見に同意してもらえることを望みます。
1.3
Underscore
について
本書の主要部に移る前に、本書における表現方法の一部としてなぜ
Underscore
を
選んだのかを説明しておきます。まず、
Underscore
はとても良くできているライブ
ラリで、上手な関数型スタイルを使いつつ実用的な ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.