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Live Demo ↗ | API documentation ↗

<vaadin-combo-box> is a Web Component combining a dropdown list with an input field for filtering the list of items, part of the Vaadin components.

<vaadin-combo-box label="User" placeholder="Please select" item-value-path="email" item-label-path="email"></vaadin-combo-box>

  const comboBox = document.querySelector('vaadin-combo-box');

    .then(res => res.json())
    .then(json => comboBox.items = json.results);

Screenshot of vaadin-combo-box


Install vaadin-combo-box:

npm i @vaadin/vaadin-combo-box --save

Once installed, import it in your application:

import '@vaadin/vaadin-combo-box/vaadin-combo-box.js';

Getting Started

Vaadin components use the Lumo theme by default.

To use the Material theme, import the correspondent file from the theme/material folder.

Entry points

  • The components with the Lumo theme:

    theme/lumo/vaadin-combo-box.js theme/lumo/vaadin-combo-box-light.js

  • The components with the Material theme:

    theme/material/vaadin-combo-box.js theme/material/vaadin-combo-box-light.js

  • Alias for theme/lumo/vaadin-combo-box.js theme/lumo/vaadin-combo-box-light.js

    vaadin-combo-box.js vaadin-combo-box-light.js

Running API docs and tests in a browser

  1. Fork the vaadin-combo-box repository and clone it locally.

  2. Make sure you have node.js 12.x installed.

  3. Make sure you have npm installed.

  4. When in the vaadin-combo-box directory, run npm install to install dependencies.

  5. Run npm start, browser will automatically open the component API documentation.

  6. You can also open visual tests, for example:

Running tests from the command line

  1. When in the vaadin-combo-box directory, run npm test

Debugging tests in the browser

  1. Run npm run debug, then choose manual mode (M) and open the link in browser.

Following the coding style

We are using ESLint for linting JavaScript code. You can check if your code is following our standards by running npm run lint, which will automatically lint all .js files.

Big Thanks

Cross-browser Testing Platform and Open Source <3 Provided by Sauce Labs.


To contribute to the component, please read the guideline first.


Apache License 2.0

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