You Might Not Need Underscore During past years utility libraries like Underscore and lodash have found their way into the toolchain of many JavaScript programmers. While those utility libraries might make the code easier for you to write, they don’t necessarily make the code simpler or easier to understand. People reading and maintaining the code are obliged to, in addition to knowing the languag
Dear Everyone, JDD got in touch with me over email this morning, inquiring about the possibility of merging Underscore and Lodash together. I think it's high time to talk about the possibility again. Some initial points for discussion: The Name: "Lodash" is very cute, but keeping "Underscore" makes the most sense, both for historical and _ variable reasons. Because npm doesn't allow name redirects
Last week was the time for my team’s quarterly “dependency update” where we go through all the third party libraries we’re using and keep up on any updates or maintenance that need to happen. That presented the opportunity for me to do a bit more research into an alternative for one of our libraries, Underscore. Underscore is a JavaScript utility library that provides helper functions for common i
Like Underscore, but lazier Tweet +1 Lazy.js is a functional utility library for JavaScript, similar to Underscore and Lodash, but with a lazy engine under the hood that strives to do as little work as possible while being as flexible as possible. It has no external dependencies, so you can get started right away with:
1.7.0 introduced loads of breaking changes. The number of dependant modules which are now broken as a result is huge, personally I think that 1.7.0 should be killed (removed from npm) and 2.0 released - the longer the delay the harder it will be to do this. underscore.js is solely consumed via package managers that mandate the use of semver, you may personally not like semver but that is what is u
Functional promises. It's like lodash/underscore for promises. Using promises as functional values allows the developer to write asynchronous code in a synchronous way. Method signature lag.methodName(function, promise_array) Lag uses the "function first" method signature in order to take advantage of the functional approach to programming. If you prefer the put the values first and the method sec
2013/5/25に開催されたFrontrend Vol.5のFunctional JavaScript with Lo-Dash.jsのセッションの資料です。
Lo-Dash is a low-level utility library that offers consistency, customization, and performance. Created as a fork of the Underscore project, Lo-Dash has grown in features and popularity, while remaining faithful to its original tenets. Unlike most libraries, Lo-Dash eschews almost all native iteration methods in favor of simplified loops, resulting in tight, lean code. But Lo-Dash isn’t just a con
Maybe you don't need them for simple web apps, but it doesn't take too much complexity before embracing JavaScript templates becomes a good decision. Like any other tool or technique, there are a few best practices that you should keep in mind, when using templates. We'll take a look at a handful of these practices in this tutorial. 1. Underscore for Simple, Handlebars for Complex If you need some
JavaScript Advent Calendar 2011 (フレームワークコース) の9日目です。 せっかくの機会だったので、ものすごく気になってたけど、触る機会がなかった、Underscore.jsをいろいろと弄ってみました。 配列関係の便利メソッドの集合ライブラリなイメージでしたが、タイマーやユーティリティ関数、条件判断関数など、いろいろ機能があって面白いですね。 とりあえず、ひと通り実行しながら、すべての関数を触ってみました。 非常に見難くて恐縮ですが、以下のGoogleスプレッドシートにいろいろとメモを取っていったので、参考にしてください。 間違いなどあるかもしれませんし、自分自身理解しきっていないため説明がおかしい箇所があるかもしれません。 その際はご指摘いただけると助かります。超めんどくさかったので、自主的なアップデートは、たぶん、しません... リンク先: Unders
■ [JavaScript] underscore.jsの実装について調べてみた。 underscore.jsのドキュメントを眺めてて、_.times(3, function(){})と_(3).times(function(){})が同じ動作をする理由を知りたくて、underscore.jsのprototypeまわり(wrapper)を調べたので、調べた内容を吐き出しておく。 処理の内容としては、_(3)とした場合、underscore.jsは、引数を各関数の第一引数に割り当てる。これは、addToWrapper関数内で行っている。 (function() { // Baseline setup // -------------- // Establish the root object, `window` in the browser, or `global` on the serve
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