React Custom Dropdown Component with Tailwind CSS

Dropdowns are essential UI components for selecting options in forms, filters, and menus. They enhance user experience by keeping the interface clean and organized. With a well-designed dropdown, users can quickly find and select what they need, improving overall navigation and experience.

In this docs, you will get the code for React custom dropdown component styled with Tailwind CSS. This dropdown is accessible, responsive, and easy to integrate into any project.

Dropdown Component UI

Here’s what the dropdown looks like:

React Tailwind Custom Dropdown Code

How to Use Custom Dropdown Component

1. Add the Dropdown Component:

Import the dropdown component into your React project:

1import Dropdown from './Dropdown'

2. Provide Options:

Pass an array of options to the component as a prop:

1const categories = ['Web Development', 'AI & ML', 'Cybersecurity', 'Cloud Computing']
2
3<Dropdown options={categories} />

Dropdown Component Features

1. Customizable Options & Placeholder:
   • The options prop allows passing a list of dropdown items.
   • The placeholder prop sets the default text before selection.
2. State Management:
   • selectedOption stores the currently chosen item.
   • isVisible tracks the dropdown’s open or closed state.
3. Outside Click Handling:
   • Uses useEffect to detect clicks outside the dropdown and close it.
   • The dropdownRef ensures only external clicks trigger closing.
4. Dropdown Interaction:
   • Clicking the button toggles the dropdown menu.
   • Selecting an option updates the selectedOption state, triggers the onChange callback, and closes the dropdown.
5. Customization & Accessibility:
   • Accepts an optional className prop for styling flexibility.
   • Includes aria-expanded, aria-controls, and aria-selected for better accessibility.
6. Visual Enhancements:
   • The ChevronDown icon rotates when the dropdown is open.
   • Hover and focus effects improve user experience.
   • Displays "No options available" if the options list is empty.

To modify the component, update:

• The options prop to change the dropdown items.
• The placeholder prop for default text.
• The className prop for custom styles.
• The onChange callback to handle selection events.

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