Ng Ng Readonly

# AngularJS `ng-readonly` Directive [![Image 3: AngularJS Reference](#) AngularJS Reference](#) * * * ## AngularJS Example Set an input field to read-only: Readonly:
[Try it »](#) * * * ## Definition and Usage The **ng-readonly** directive sets the `readonly` attribute of a form field (`` or `

`).

If the expression in the **ng-readonly** attribute returns `true`, the form field is read-only.

* * *

## Syntax

The `` and `<textarea>` elements support this directive.

* * *

## Parameter Values

| Value | Description |
| --- | --- |
| _expression_ | If the expression returns `true`, the form field is read-only. |

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