UI - Drop Down List / List Box

About

A dropdown list permits to select one or more value from a list of values attached to an element.

A dropdown list is also known as listbox because the list is attached to a box.

Usage

• form: select values
• auto-completion

Implementation

• html: select element
• aria: Listbox: a list of options that allows a user to select one or more of them
  • listbox-collapsible
  • listbox-combo: a single-line textbox an associated pop-up element for helping users set the value of the textbox (Spec Combobox)