xtypejs – Elegant, highly efficient data validation for JavaScript

xtype.js is an elegant, highly efficient data validation for JavaScript.


  • Provides concise, performant, readable, data and type validation for JavaScript, using close to 40 highly efficient, data-validating pseudo types.
  • Improves application efficiency and readability by unifying the most basic but common data and type validations in JavaScript apps, into single, concise, highly optimized operations.
  • Employs bitwise operations, data pre-processing, and memory-efficient memoization for fast, robust performance in small and large apps and libraries.
  • Ready for nodejs, requirejs, and regular script tag.