Numeral-js

Supports currencies, percentages, bytes, exponential notation, and custom patterns, as detailed in the key features for versatile display needs.

Includes multiple locales with language-specific rules and allows custom locale registration, enabling tailored formatting for global audiences.

Parses strings into numbers and gracefully handles null/NaN values, simplifying data ingestion and error prevention in user interfaces.

Formats and locales are modular and act as plugins, facilitating custom builds and community contributions, as seen in the formats directory.