What Is jQuery Validation

Form validation is a process of confirming the relevant information entered by the user in the input field. Here we will be validating a simple form that consists of a username, password and a confirm password using jQuery.

What is a validation engine?

Validation Engine is a jQuery plugin aimed at the validation of form fields in the browser. The plugin provides visually appealing prompts that grab user attention on the subject matter.

How use jQuery validation in rails?

1. Add the gem to your gemfile gem ‘jquery-validation-rails’
2. On your app/assets/javascripts/application.js add the following lines. …
3. As of turbolinks 5 which is included in rails 5 instead of using $(document).ready use $(document).on “turbolinks:load” as described in turbolinks readme.