jQuery Validation
jQuery Validation is a popular JavaScript library that provides client-side form validation for web applications. It integrates seamlessly with jQuery to validate user input in forms, offering built-in validation rules, custom methods, and error message handling. The library helps ensure data integrity and improve user experience by providing immediate feedback on form submissions.
Developers should use jQuery Validation when building web forms that require robust client-side validation, such as registration forms, contact forms, or checkout processes in e-commerce sites. It is particularly useful in projects already using jQuery, as it reduces development time with pre-defined validation rules and simplifies error display without requiring server-side round trips for basic validation.