Chosen is a jQuery plugin that enhances the functionality and appearance of select boxes (dropdowns) on web forms. It provides an elegant and user-friendly interface for selecting options from long lists, making it easier for users to navigate and choose from available options.


  1. Searchable Dropdowns: Allows users to search and filter options within the dropdown.
  2. Multi-select Support: Enables users to select multiple options when needed.
  3. Customizable Styling: Provides options for customizing the appearance of the dropdown and search box.
  4. Optgroup Support: Organize options into groups for better categorization.
  5. Dynamic Option Loading: Load options dynamically based on user input or other criteria.
  6. Keyboard Navigation: Users can navigate and select options using the keyboard.


  • Improved Usability: Enhances the user experience by simplifying the selection of options from long lists.
  • Search Functionality: Provides a search feature for quicker and more precise selections.
  • Customization: Allows developers to tailor the appearance and behavior to match their website’s design.
  • Accessibility: Ensures that select boxes are usable for all users, including those with disabilities.


Getting Started:

To get started with Chosen, include jQuery and the Chosen library in your project:

<!-- jQuery library -->
<script src=""></script>
<!-- Chosen CSS and JS -->
<link rel="stylesheet" href="path_to_chosen/chosen.min.css">
<script src="path_to_chosen/chosen.jquery.min.js"></script>

Advanced Examples:

  1. Basic Chosen Dropdown:
  1. Customize Chosen Appearance:
  disable_search_threshold: 10,
  no_results_text: "No results found",
  width: "200px"
  1. Multi-select Chosen Dropdown:
  max_selected_options: 3
  1. Dynamic Option Loading:
$('#load-options-button').click(function() {
  // Load options dynamically
  var newOptions = [
    { value: 'option1', text: 'Option 1' },
    { value: 'option2', text: 'Option 2' },
    // Add more options as needed
  1. Optgroup Support:
  disable_search_threshold: 10,
  width: "200px",
  enable_optgroups: true

The Chosen jQuery plugin is a valuable tool for web developers seeking to improve the user experience of select boxes on their websites. With features like search functionality, multi-select support, and customization options, it provides a modern and user-friendly interface for handling dropdown selections.