Text area
Allows users to enter multiple lines of text. It can be configured to display plain text
or rich text.
Data binding
Set or modify the data binding for the view in the General properties. The Text area view can be bound to aString variable.Configuration properties
Under Configuration, set or modify the appearance and behavior properties for the view.
- Screen size
- A configuration property that has the Screen Sizes icon
beside the
property name can have different values for each screen size. If you do not set a value, the screen
size inherits the value of the next larger screen size as its default value.
- Theme definitions
- Theme definitions specify the colors and styles for a view and determine its appearance. You can preview the look and feel of views in the theme editor. See Themes.
The appearance configuration properties for Text area are shown in the following table:
| Appearance configuration property | Description | Data type |
|---|---|---|
Width
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Specifies the width of the text field in pixels, percent, or em units. For
example: 50px or 20% or 0.4em.
The default unit is pixel, in case no other is specified. |
String |
Height
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Specifies the height of the text field in px (pixels) or em units. If no unit type is specified, px is assumed. | String |
Size
![]() |
Specifies the text size. Applies to both label and text.
|
String |
Label placement
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Specifies the placement of the label in relation to the text.
Note: Labels on the left change the specified width of the view.
|
String |
Label width ![]() |
The width of the label. You can specify the width in px (pixels), % (percent), or em units. For example, 50px, 20%, or 0.4em. If a unit type is not specified, px is assumed. | String |
The behavior configuration properties for Text area are listed in the following table:
| Behavior configuration property | Description | Data type |
|---|---|---|
| Tab index | Specifies the tabbing sequence index of the view. The tab indices start at 1 and can be set sparsely. For example, you can use 1, 5, 10. The Tab index property controls the tabbing sequence when you move between UI areas by pressing the Tab key. | Integer |
| Placeholder text | Provides the placeholder text that is displayed when no value was entered. | String |
| Validate input | The regular expression to use for validating input. | String |
| Auto-expand on printing | Enables printing of the entire content of the text area, beyond the area that is visible on the screen. | Boolean |
Events
Set or modify the event handlers for the view in the Events properties. You can set events to be triggered programmatically or when a user interacts with the view. For information about how to define and code events, see User-defined events.Text area has the following types of
event handlers:
- On load: Activated when the page loads. For example:
me.setText("Some default text on load.") - On change: Activated when the text is changed. For example:
if(newText != oldText){return confirm ("Are you sure you want to change the text area field?");} - On focus: Activated when the focus moves to the text field. For example:
me.setLabelPlacement("T")where
"T"(standing forTop) must be defined in"me.setLabelPlacement("L")". - On blur: Activated when the text field loses the focus. For example:
me.setLabelPlacement("L")where
"L"(standing forLeft) must be defined in"me.setLabelPlacement("L")". - On input: Activated when the user enters text in the text field. For
example:
return potential.length<=10;
Methods
For detailed information on the available methods for Text area, see the Text area JavaScript API.
Additional resources
For information about how to create a coach or page, see Building coaches.
For information about standard properties
(General, Configuration,
Positioning, Visibility, and HTML
Attributes), see View properties.