The use of outdated JavaScript libraries / How V8 has made 'for in' fast / Polymer 2.0 released - JavaScript Weekly

Analysing The Use of Outdated JavaScript Libraries

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

eslint-plugin-compat: Lint the Browser Compatability of APIs Used

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

AMILA WELIHINDA

Franc: Natural Language Detection in Pure JS

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

Polymer 2.0 Release Candidate Released

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

FPO: Functional Programming (FP) By Any Other Name

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

KYLE SIMPSON

Lets Define My Favorite JavaScript Test

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

How V8 Made for...in Fast

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

CAMILLO BRUNI

WebAssembly: Under The Hood with Mozilla

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

YOUTUBE

Three Ways of Understanding Promises

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

DR. AXEL RAUSCHMAYER

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