See the new Lightning Component Reference for the latest base component documentation. The Winter ’26 content in this legacy site won’t be updated further. The legacy site will redirect to the new site for Spring ’26.
Lightning Web Component
Combobox
A widget that provides an input field that is readonly, accompanied by a dropdown list of selectable options.
Descriptor
lightning-comboboxTargets
Lightning Experience, Experience Builder Sites, Salesforce Mobile App, Standalone Lightning App, Mobile Offline
Component examples use older versions of SLDS and base Lightning components. Recent color updates for accessibility aren't reflected in the examples. See the Lightning Web Components Developer Guide for more information.
A combobox enables you to select only one option. Use the onchange event handler to capture what's selected.
