Collective #239

View All

Collective #239: Offline Storage * React-dates * Feature Queries * Bouncy Ball * Save-as-ebook * WebGL Fire * Indicating offline



An accessible, easily internationalizable, mobile-friendly datepicker library for the web. By Airbnb.

Check it out

Bouncy Ball

A great comparison of web animation techniques on the example of a bouncing ball. By Sparkbox.

Check it out


A Chrome/Firefox/Opera Web Extension for saving a web page/selection as eBook in epub format. Made by Alex Adam.

Check it out

The cost of small modules

A very insightful article by Nolan Lawson on how small modules can have a surprisingly high performance cost depending on your choice of bundler and module system.

Check it out

Principle 2.0

The tool for designing animated and interactive user interfaces celebrates its first birthday with some great additions.

Check it out

Would you like to become a Collective sponsor?

You can sponsor a Collective issue with your own news item. Find out more.

Would you like to send us some news?

The Collective features the latest news and resources from the web design & web development community. If you have spotted or created something that you'd like see published in the next issue, just submit the resource or article here.