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## Definition and Usage The `form` attribute specifies the form(s) the `` element belongs to. The `form` attribute must refer to the `id` of a `` element in the same document. **Note:** The `` element is not supported in Internet Explorer or Safari. ## Browser Support The numbers in the table indicate the first browser version that fully supports the attribute. | Attribute | | | :--- | :--- | | form | Yes | ## Syntax ## Attribute Values | Value | Description | | :--- | :--- | | *form_id* | The `id` of the form the `` element belongs to. | ## More Examples ### Example A `` element inside a form, with a reference to the form's `id`: User name:
Encryption: ## Related Pages HTML DOM reference: (#)