Finding answers to your JavaScript questions with the help of the official ECMAScript specification. Here's how.

The dangers of HFS+ for git repositories

OSX file system, HFS+, is case insensitive.

Chromium, Chrome, Node.js, V8, Crankshaft and bailout reasons

A short summary about these terms, an overview of how V8 / Crankshaft works.

Chrome 49 is coming, with 92% ES2015 coverage!

It's coming, it's awesome, but some features might still be worth transpiling.

One Simple Trick for JavaScript Performance Optimization

My attempt at clickbait. Also, an interesting (who said "useless") JS performance tip.

Comment Syntax in Programming Languages (and the Eye of Osiris)

Wadler's law is bikeshedding applied to programming languages design.

Making Babel fast with ES2015 rest parameters

What I did to help avoid bailouts on rest parameters transpilation.

JavaScript performance with Babel and Node.js: a case against default parameters in tail call optimizations

Babel might prevent some V8 optimizations to happen. Also, have you heard about Unsupported Phi Use of Arguments?

ES6 Destructuring

A few things about destructuring and assigning default values.

JavaScript Promises

Promises, and what bluebird can do to help.

programming Categories

V8 puzzle

Moar arguments, moar speed?!

JavaScript Engines Hidden Classes (and Why You Should Keep Them in Mind)

Augmented edition!

JavaScript Engines Hidden Classes (and Why You Should Keep Them in Mind)

An introduction.

!!Con and a week back at the Recurse Center

People and programming. Mainly people.

Navigating the ECMAScript® 2015 Language Specification

Finding answers to your JavaScript questions with the help of the official ECMAScript specification. Here's how.

The dangers of HFS+ for git repositories

OSX file system, HFS+, is case insensitive.

Chromium, Chrome, Node.js, V8, Crankshaft and bailout reasons

A short summary about these terms, an overview of how V8 / Crankshaft works.

Chrome 49 is coming, with 92% ES2015 coverage!

It's coming, it's awesome, but some features might still be worth transpiling.

One Simple Trick for JavaScript Performance Optimization

My attempt at clickbait. Also, an interesting (who said "useless") JS performance tip.

Comment Syntax in Programming Languages (and the Eye of Osiris)

Wadler's law is bikeshedding applied to programming languages design.

Making Babel fast with ES2015 rest parameters

What I did to help avoid bailouts on rest parameters transpilation.

JavaScript performance with Babel and Node.js: a case against default parameters in tail call optimizations

Babel might prevent some V8 optimizations to happen. Also, have you heard about Unsupported Phi Use of Arguments?

ES6 Destructuring

A few things about destructuring and assigning default values.

JavaScript Promises

Promises, and what bluebird can do to help.