Lightweight JavaScript Autocomplete for Input Fields – Suggestify.js
A lightweight JavaScript plugin for adding intelligent autocomplete functionality to input fields with keyboard navigation and array inputs support.
Form
Customizable Select Box & Input Field Enhancement Library – Choices.js
Choices.js is a vanilla JavaScript plugin for creating customizable select inputs with multi select and autocomplete support.
Track Unsaved Form Changes in JavaScript – dirty-form
A lightweight JavaScript library that tracks form changes and warns users before they lose unsaved edits.
Fast Autocomplete & Typeahead Library – autoComplete.js
A dynamic, blazing fast, dependency-free, and easy-to-use autocomplete & typeahead JavaScript library for modern web development.
Validating Credit Card Numbers With Pure JavaScript – credicard.js
credicard.js is a zero-dependency JavaScript library for validating the credit card number and returning the credit card brand.
Tagging & Searchable Dropdown with Multi-Select – Searchdown.js
A vanilla JS library that creates searchable select components. Supports multi-select, custom tagging, and form validation.
Form To JSON And JSON To Form Converter – form-data-json
Form To JSON And JSON To Form Converter in JavaScript.
Lightweight JS Autocomplete & Autosuggest: Ajax & Local Data – Ajax Autocomplete Vanilla
A pure vanilla JS library that adds autocomplete to any text input. Supports Ajax, JSONP, grouping, caching, and keyboard nav.
Bootstrap 5 Autocomplete Component In Vanilla JS – AvalynxAutocomplete
A lightweight Bootstrap 5 autocomplete component with multi-select, Ajax support, and tag display.
Advanced OTP Input Library for Vanilla JS, React, Vue, Svelte & More – Digito
An advanced OTP input library with SMS autofill, built-in timers, and adapters for React, Vue, Svelte, Alpine.js, and Vanilla JS.