This summer, I have been working on an experimental React concurrent mode profiler as part of the inaugural batch of the MLH Fellowship. One of the biggest engineering challenges I had was to optimize our canvas rendering. This was no small task. A single... (more…)

Except as otherwise noted, any code samples from the V8 project are licensed under V8’s BSD-style license. Other content on this page is licensed under the Creative Commons Attribution 3.0 License. For details, see our site policies. (more…)

godzilla - Godzilla is a ES2015 to Go source code transpiler and runtime... (more…)

A live pastebin for HTML, CSS & JavaScript and a range of processors, including SCSS, CoffeeScript, Jade and more...

I am trying to print an integer in JavaScript with commas as thousands separators. For example, I want to show the number 1234567 as "1,234,567". How would I go about doing this? (more…)