Dropdown
A dropdown is a list in which the selected item is always visible while other items are visible on demand by clicking a dropdown button. Dropdowns are typically used for forms.
Best practices
Layout
Use a dropdown when there are multiple choices that can be collapsed under one title, if the list of items is too long, or when there's space restriction.
Use a dropdown when the selected option is more important than the alternatives (in contrast to radio buttons where all the choices are visible, putting equal emphasis on all options).
Content
Use sentence-style capitalization (only capitalize the first word.)
The dropdown label should describe what can be found in the list of options.
Use shortened statements or single words as list options.
If there isn't a default option, use "Select an option" as placeholder text.
If "None" is an option, include it.
Drop Drown
States
Transitions
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