Welcome to Veli Official Doc

Zero-dependency form validation using HTML attributes

Veli is a lightweight, powerful form validation library that requires no dependencies. Validate forms using simple HTML attributes and get started in seconds.

Key Features

• Zero Dependencies - Pure JavaScript, no bloat
• Simple API - Use HTML attributes for validation
• Lightweight - Less than 50KB minified
• Flexible - Works with any form framework
• Extensible - Custom validators supported
• Accessible - Full ARIA support
• Security Scanner - Advanced threat detection (SQL Injection, XSS, NoSQL, Path Traversal, Token Leakage)

Quick Start

<form id="myForm" data-veli-design="classic">
  <div class="veli-field-wrapper">
    <label>Name</label>
    <input 
      type="text" 
      name="username" 
      data-veli-rules='{"type":"text", "name":"username", "minChar":"3", "required":"true"}' 
    />
    <span class="veli-error"></span>
  </div>
  <button type="submit">Submit</button>
</form>

Explore

• Getting Started - Installation and basic setup
• Field Types - All available validation types
• Try It Out - Interactive code editor
• Examples - Real-world examples
• API Reference - Complete API documentation
• Security Scanner - Advanced threat detection & input sanitization

Supported Validations

• Email validation
• Phone number validation with country support
• Password strength checking
• Text field validation
• Checkbox validation
• Number validation
• Custom validation rules

Get Started

Choose where you want to start:

1. New to Veli? Start with Getting Started
2. Want to explore? Check out Examples
3. Ready to code? Jump to Try It Out

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