A JavaScript survival guide
Are you a programmer who is considering learning JavaScript, but unsure whether it is worth the pain? Then this blog post is for you: I argue that it is worth it and give tips for surviving the language. Why learn JavaScript? # The present # The main reason for choosing JavaScript is the breadth of its ecosystem: the web platform, Node.js, JSON, NoSQL databases, Cordova/PhoneGap, automating Phot
Marionetteからractiveへ - lxyuma BLOG
昨日、天下一クライアントサイドJS MV*フレームワーク武道会で話してきた。 以下、そのスライドです。 今日は 自分が現場で使ってきた FWの変遷の軽ーい話をする 元々 Marionette.js使ってた 振り返ると、実装が冗長になってしまった 何を言ってるか？というと... 例えば ulとliで、その中の要素追加削除やeventを作りたい時 image <ul> <li>1st track click me</li> <li>2nd track click me</li> </ul> <button>new track</button> Marionetteだと... 1.html書いて全体像を作って 2.templateに切り刻んで 3.CompositeView作ってテスト書いて 4.ItemView作ってテスト書いて 5.CompositeViewをnewする処理書いて 6.元のh
『コードのバグはコードで見つけよう！』
こんにちは。 アメーバピグでNode.jsを使って開発をしている中村と申します。 平日はエンジニア、土日は主夫として働いています。 さて、早速ですが、この記事ではESLintを使って、JavaScriptのソースコードのバグを発見する手順をご紹介したいと思います。 ESLintとは ESLintはNicholas C. Zakas氏が中心となって開発しているJavaScriptのLintツールです。 JavaScriptのLintツールといえば、最近ではJSHintが定番だと思います。 ESLintはJSHint同等の機能を持つ他、解析ルールが完全にプラガブルになっており、独自ルールを自由に追加できるという特徴があります。 例えば、JSHintでいうところの、strict（strict modeで実行されるかをチェック）というオプションは下記のURLのように個別のルールとして実装されていま
Beer Locker: Building a RESTful API with Node - OAuth2 Server - Scott Smith
Welcome to part 4 of the Beer Locker series Getting started CRUD Passport OAuth2 Server Digest Username & Password In our previous article we ended wtih a functional API capable of creating user accounts, locking down API endpoints, and only allowing access to a user’s own beer locker. In this part we will dive into creating an OAuth2 server and allowing access to API endpoints for the authorized
Still Within · Compassionate guidance on the path of the heart
In my life, I have recognized immense benefit by consciously extending myself beyond what is comfortable.By choosing to encounter all that within me is unknown—fear, grief, and death; silence, ecstasy, and unity—I have uncovered a peace inside myself that seems to deepen my capacity to be with all the uncertainties of what it means to be human. Feeding this inquiry has allowed me to meet suffering
はてなブログ編集画面JSのページャ見どころ紹介 #pagernight - hitode909の日記
昨日，ページャNightという勉強会で，はてなブログのJSの見どころを紹介するLTをした．(昨日の日記)． 資料公開しようかと思ったのだけど，発表資料そのまま公開しても意味不明なので，エントリに書き直すことにした． たとえば，このLGTM画像は発表資料の1枚目で，もし発表資料をそのまま公開したら，こういう謎の画像を解説もないまま見ることになっていたはず． JSのページャいっぱいある はてなブログの編集画面には編集サイドバーというのがあって，写真とかAmazon検索とかTwitterとかinstagramとかあれこれ貼れるようになってる． Amazon検索しても画面遷移するわけじゃなくて，ウェブ2.0という感じで，XHRでJSONを取ってきて，HTMLを組み立てて表示，クリックすると選択，貼り付けを押すとエディタに挿入される，という仕組み． 編集サイドバーから貼れるサービスは10種類くらいあ
Server-Side Device Detection With JavaScript — Smashing Magazine
Responsive Web Design and tools like Modernizr have become very popular. Recently, combination techniques, where optimization is done both server-side and client-side, has become a trend. The recently launched WURFL.js tool, fits into this category. In this article, Jon Arne Sæterås and Luca Passani will look at some basic use cases of how to use WURFL.js to optimize the user experience both in HT
Eloquent JavaScript
This is a book about JavaScript, programming, and the wonders of the digital. You can read it online here, or get your own paperback copy of the book. Written by Marijn Haverbeke. Licensed under a Creative Commons attribution-noncommercial license. All code in this book may also be considered licensed under an MIT license. Illustrations by various artists: Cover by Wasif Hyder. Computer (introduct
Do You Need a Powerful Laptop for Programming? (According to JSModules.io) | LaptopRadar
We might earn a commission from partner links on Laptop Radar. Commissions do not affect our editors' opinions or evaluations. If the question often appears in your mind, “do I need a powerful laptop for programming?” you are not alone. That simply means you need the right information about the minimum requirement of a laptop that can let you code, which actually sounds easier to answer than it re
QuickStart
Runs in browsers without manual compilation. Supports node built-ins. Offers a plugin system. Deprecated QuickStart is no longer maintained. It will still exist in npm, but no more updates will happen. We no longer use QuickStart at Spotify, and instead recommend other bundlers such as Browserify or Webpack.
Favoring Curry
Update: It's nearly five years since this post was written. Although much of the code will still work, some parts are now broken. (At the moment, you'd have to replace partition with groupBy and replace use(...).over(...) with useWith(..., [...]).) . I'm not going to try to keep updating this code since there are plenty of places online now to learn the basics of Ramda. This post still reflects mu
Multiple return values in ECMAScript 6
If you combine the features “property value shorthand” and “destructuring”, ECMAScript 6 gives you an elegant way to handle multiple return values. This blog post explains why that is useful and how it works. Destructuring # Destructuring is an ECMAScript 6 feature which lets you use patterns to extract values from an object: let obj = { first: 'Jane', last: 'Doe' }; let { first: f, last: l } = o
Collections for JavaScript
This package provides JavaScript implementations of common collections, with many useful features. These collections provide specialized alternatives to plain arrays and objects. They include the ability to observe all changes, have a common interface across every collection and work in both Node.js and the browser. Some data structures are better suited for specific problems. The collections pack
basic.jsを作ろうとしてる話 // Speaker Deck
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ki
ki A lisp for your JavaScript ki is a functional programming language that expands into JavaScript through a very thin layer of sweet.js macros. It is designed to complement JavaScript, enriching it with functional programming idioms and immutable data structures. ki can be used to write entire applications, individual components (e.g. state management) or just functional one-liners. ki syntax and
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AMD vs. CommonJS. Which is better?
http://www.ordinaryrobot.com/posts/throttle-function