Guardian: A Comprehensive Data Validation Library for JavaScript

Project Source | NPM Package | Documentation

Introduction

Guardian is a powerful, lightweight JavaScript library designed for data validation. Whether you're validating user input in a form, checking API responses, or ensuring data integrity in your application, Guardian provides a simple yet flexible way to define validation rules and apply them to your data.

This guide is intended for beginner programmers who want to understand how to use Guardian to validate data in their JavaScript applications.