--- title: Parsley.js updated: 2018-12-06 weight: -1 category: JavaScript libraries keywords: - "data-parsley-validate" - "$('#form').parsley()" - errorClass - successClass - classHandler - errorsContainer - errorsWrapper - errorTemplate intro: | [Parsley](http://parsleyjs.org/doc/) provides frontend form validation. --- ## Parsley {: .-three-column} ### Installing via NPM ``` npm install --save parsleyjs ``` [parsleyjs](https://www.npmjs.com/package/parsleyjs) is the Parsley form validator. ('parsley' is a different package) ### Enabling #### via HTML ```html