Detect Packages

Detects clicks outside React components, and also handles keypresses.

Detect links in a delta object.

Detect the file type of a Buffer/Uint8Array

Make text superscript or subscript.

Detect system color scheme changes on the web (Dark Mode)

detects support for rendering PDF in browser

A CLI tool that tells you if a package is using modern code.

Does the string resemble an HTML or XHTML (or neither)?

A browser detection package that uses feature detection instead of user agent

ecmascript version detector

Check if the process is running inside Ubuntu.

A native screen api for getting multi-monitor information. Specifically designed for calculating coordinates for screen captures

check if some source code uses syntax supported by an ES version

detect container resizing

Language detection for Javascript. Based on the CLD2 (Compact Language Detector) library from Google. Highly optimized for space and speed. Runs about 10x faster than other libraries. Detects over 160 languages. Full test coverage. Runs on Linux, OS X, an

Regular expression for matching the whitespace in a string.

Detect structural similarities in your code

Capitalize the first letter of a string

Detect a string or buffer is SVG or not

does this JavaScript environment conform to ECMAScript 5?