jquery-validation/jquery-validation
Jquery Validation
这是一个 jQuery 插件和客户端表单验证器，用于在提交到服务器之前验证 Web 表单输入。它采用基于规则的验证引擎，根据预定义或自定义规则检查用户输入，以确保浏览器中的数据完整性。
该工具被设计为一个符合 ARIA 标准的验证系统，使用辅助功能属性将错误消息链接到输入字段。这确保了屏幕阅读器用户在表单提交过程中，当字段包含无效值时会收到通知。
该系统支持通过异步 HTTP 请求进行远程服务器验证，并允许动态规则注入以添加自定义验证逻辑。它通过 DOM 链接的错误渲染来管理用户界面，并使用事件驱动的触发器在焦点、失焦或提交事件期间执行检查。
Features
- Form Input Validation - Verifies form field values against a set of rules to ensure data integrity before submission.
- Client-Side Data Sanitization - Prevents malformed data from being sent to the server by validating input on the client side.
- Validation Rule Engines - Employs a rule-based engine to match input values against predefined logic functions.
- Form Field Announcements - Marks invalid fields with accessibility attributes to announce error states to assistive technologies.
- Form Field State Integrations - Uses ARIA attributes and state integrations to provide accessible error feedback for form controls.
- Screen Reader Accessibility - Connects error messages to input fields using ARIA attributes to notify screen reader users.
- WAI-ARIA Frameworks - Implements a validation system that uses ARIA attributes to maintain accessibility compliance.
- Client-Side Input Validators - Verifies data integrity and correctness of user input in the browser before form submission.
- Form Data Validation - Ensures user input in web forms meets specific requirements before being submitted to a server.
- Form Validation Libraries - Provides a library for defining and enforcing validation rules on web form inputs.
- jQuery Plugins - Extends jQuery to add a comprehensive rule-based validation system to web form elements.
- Accessibility Attribute Mapping - Implements dynamic mapping of validation states to ARIA attributes to ensure screen reader accessibility.
- Async Form Validators - Performs asynchronous validation checks against remote APIs to verify data in real time.
- Dynamic Validation Rules - Supports the registration of custom validation logic at runtime to extend the validator's rule set.
- UI Event Triggers - Automatically executes validation checks based on focus, blur, and form submission events.
- Validation Error Renderers - Provides mechanisms for dynamically injecting and removing validation error messages within the form UI.
- Remote Input Validation - Verifies form field values by sending asynchronous HTTP requests to a remote server endpoint.
- Validation Plugins - Standard drop-in form validation.
