yall.js is a featured-packed lazy loading script for
<iframe> elements and works with modern browsers.
Linaria is zero-runtime CSS in JS library.
Ramda emphasizes a purer functional style. Immutability and side-effect free functions are at the heart of its design philosophy. This can help you get the job done with simple, elegant code.
A quick guide to effectively leveraging with regular expressions (RegEx), with hands-on examples.