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JavaScript Weekly
Issue 325 — March 9, 2017
A thorough summary of a new academic paper that looks at the analysis of JavaScript used across 133,000 different sites. Tim Kadlec of Snyk also shared some insights on its findings.
Adrian Colyer

For example, specify what browsers and versions you want to support, and it’ll warn you if your code uses unsupported features.
Amila Welihinda

Uses a library of trigrams that are most popular in up to 375 languages, Franc works in both Node and the browser to detect natural languages used in a text. Demo here.
Titus Wormer

Rollbar
Let's explore JavaScript source maps together, starting with the basics. What are they? How to enable them? Why aren't they working? Learn more.
Rollbar   Sponsor

Now considered feature complete, Polymer 2.0 is ready to test and try. A key focus has been on improved interoperability with other libraries and frameworks.
Dan Freedman

Kyle Simpson introduces FPO, a JavaScript library for functional programming that supports named-argument style methods.
Kyle Simpson

No, the title isn’t missing an apostrophe - Mike’s favorite test in Test262, the official test suite for ECMAScript, is really let twice. Intrigued?
Mike Pennisi

A very technical and thorough look at how V8 has made ‘for in’ faster than ever.
Camillo Bruni

In just 7 minutes, Alon Zakai, originally the creator of the Emscripten LLVM-to-JavaScript compiler, explains what WebAssembly is all about.
YouTube

Dr. Axel tackles promises in a very quick, straightforward way.
Dr. Axel Rauschmayer

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In Brief

Marko 4.0 Released: eBay's Component Based UI Library news
Michael Rawlings

Testing Routes in Angular 2 tutorial
Matt Fehskens

10 Practical Use Cases for ES6 Proxies tutorial
Csaba Hellinger

Refactoring Legacy JavaScript Code to Use Classes: The Good, Bad and Ugly 
An academic paper.
Silva, Valente, Bergel

Workshop: Brian Lonsdorf's Practically Functional Programming course
Master monoids, monads and other algebraic abstractions to produce highly composable, safer, and simpler code.
Forward Courses  Sponsor

An 11 Minute Introduction to Angular CLI video
YouTube

Previewing Mozilla's WebAssembly Explorer video
A look at a new tool to help developers understand and experiment with WebAssembly.
Mozilla

Ace JavaScript Interviews: Scoping And Hoisting video
Fox Reymann

Pinterest's Utilities for Creating and Testing Service Workers tools
Pinterest

A Jest Cheat Sheet tools
Artem Sapegin

Awesome Grid: A Curated List of Grid/Table Libraries tools

Depercolator: Tool for Converting CoffeeScript to Idiomatic JS and JSX tools
Bugsnag

React InstantSearch⚡ Lightning fast search for web and native apps tools
Algolia provides UI widgets and connectors (HOC) so you can build instant search in a few lines of code.
Algolia  Sponsor

blurify.js: Image Blurring from JavaScript code

react2angular: Embed React Components in Angular 1 Apps code
Coatue

Angular Gauge: Customizable Gauge Directive for Angular Apps code
Ashish Chopra

Element: A Vue 2.0 Based Component Library/UI Toolkit code

HyperApp: 1KB JavaScript Library for Building Modern UI Applications code
Jorge Bucaran

webpack-blocks: Configure Webpack using Functional Feature Blocks code
Andy Wermke

Curated by Peter Cooper and published by Cooperpress.

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