File Uploader With Preview – file-upload-with-preview.js
The file-upload-with-preview.js JavaScript library enhances the default file input with support for file preview before uploading.
Form
Bootstrap Style Searchable Dropdown Plugin – fstdropdown
The fstdropdown JavaScript plugin turns a normal select element into a searchable, Bootstrap style drop-down select with pure JavaScript and CSS.
Pure CSS Expanding Search Box
An easy expanding (click-to-expand) search box written in pure CSS.
Real-time Input Field Formatting – input-mask.js
A tiny input mask JavaScript library that automatically formats input values (like phone numbers and zip codes) while typing.
Fast AJAX Autocomplete JavaScript Library – Cndk
A feature-rich, fully customizable, and AJAX-enabled autocomplete JavaScript library.
Undo/Redo Functionality For Form Fields – undoRedo.js
A tiny JavaScript library that enables undo and redo functionalities on HTML form elements like input, textarea, checkbox, radio button, etc.
Enhanced Dropdown Select Box For Bootstrap 5 – dselect
A JavaScript library that adds advanced features (like live search, dynamic creation, field validation) to the native Bootstrap 5 select boxes.
Random Password Generator In JavaScript
An online app to generate random strong passwords with just one click.
Versatile Data Validation JavaScript Library
A versatile data validation library that provides a set of validation helps for validating field values in an easy way.
Fast User-friendly Form Validation Plugin – Validator.js
A fast, cross-browser, user-friendly, highly customizable form validator that works with the native HTML5 input types: text, email, url, date, etc.