High performance (jankfree) lazy loader for images (including responsive images), iframes and scripts (widgets).

ECMAScript extensions and shims

A robust Punycode converter that fully complies to RFC 3492 and RFC 5891, and works on nearly all JavaScript platforms.

Runtime for Regenerator-compiled generator and async functions.

babel's modular runtime helpers

Standard library

Tooltip and Popover Positioning Engine

Logic-less {{mustache}} templates with JavaScript

Returns an array of all tabbable DOM nodes within a containing node.

Microsoft sucks

The complete tooltip, popover, dropdown, and menu solution for the web

Trap focus within a DOM node.

A polyfill for IntersectionObserver

Better handling for window object in SSR environment

A WebGL interactive maps library

Minimalistic JavaScript library for DOM manipulation, with a jQuery-compatible API

A lightweight, powerful javascript datetime picker

Enables body scroll locking (for iOS Mobile and Tablet, Android, desktop Safari/Chrome/Firefox) without breaking scrolling of a target element (eg. modal/lightbox/flyouts/nav-menus)

Polyfill for :focus-visible pseudo-selector

Polyfill URL and URLSearchParams

A Javascript polyfill for browsers that don't support the object-fit CSS property

A modern smooth scrolling library.

Pure Javascript Multilingual OCR

A responsive image polyfill.

official twitter text linkification

MDN polyfills

Get the YouTube, Vimeo, Vine, VideoPress, TikTok, Microsoft Stream, Loom or Dailymotion video id from a url or embed string.