Behavior comparison
Choose Text field for: Entering a name, email, code, or other short value. Choose Textarea for: Collecting a message, note, or description.
| Dimension | Text fieldText field | TextareaTextarea |
|---|---|---|
| Trigger | Focus the labeled field, then type or paste a single-line value. | Focus the labeled area, then type or paste multiline content. |
| Modality | Non-modal form input. | Non-modal form input. |
| Placement | Inline in a form with a persistent label and nearby help or error text. | Inline in a form with enough height to preview several lines. |
| Interactivity | Edits one line of text and exposes validation, required, disabled, and autocomplete behavior. | Edits multiline text, may resize, and exposes length and validation feedback. |
| Focus | A visible focus indicator surrounds the field without hiding its value, label, or error. | Visible focus surrounds the control and remains visible while the user scrolls within long text. |
| Dismissal | Not applicable: the entered value remains until edited, reset, or intentionally submitted. | Not applicable: the draft remains until reset, submitted, or deliberately cleared. |
| Accessible role | native textbox | native multiline textbox |
| Use case | Entering a name, email, code, or other short value | Collecting a message, note, or description |
| Mobile behavior | Select the correct software keyboard and autocomplete purpose, and avoid text sizes that trigger viewport zoom. | Grow or scroll predictably and keep the caret, counter, and error visible above the keyboard. |