HTMLObjectElement

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since ⁨July 2015⁩.

TheHTMLObjectElement interface provides special properties and methods (beyond those on theHTMLElement interface it also has available to it by inheritance) for manipulating the layout and presentation of<object> element, representing external resources.

Instance properties

Inherits properties from its parent,HTMLElement.

HTMLObjectElement.alignDeprecated: A string representing an enumerated property indicating alignment of the element's contents with respect to the surrounding context. The possible values are"left","right","justify", and"center".
HTMLObjectElement.archiveDeprecated: A string that reflects the archive HTML attribute, containing a list of archives for resources for this object.
HTMLObjectElement.borderDeprecated: A string that reflects the border HTML attribute, specifying the width of a border around the object.
HTMLObjectElement.codeDeprecated: A string representing the name of an applet class file, containing either the applet's subclass, or the path to get to the class, including the class file itself.
HTMLObjectElement.codeBaseDeprecated: A string that reflects the codebase HTML attribute, specifying the base path to use to resolve relative URIs.
HTMLObjectElement.codeTypeDeprecated: A string that reflects the codetype HTML attribute, specifying the content type of the data.
HTMLObjectElement.contentDocumentRead only: Returns aDocument representing the active document of the object element's nested browsing context, if any; otherwisenull.
HTMLObjectElement.contentWindowRead only: Returns aWindowProxy representing the window proxy of the object element's nested browsing context, if any; otherwisenull.
HTMLObjectElement.data: Returns a string that reflects thedata HTML attribute, specifying the address of a resource's data.
HTMLObjectElement.declareDeprecated: A boolean value that reflects the declare HTML attribute, indicating that this is a declaration, not an instantiation, of the object.
HTMLObjectElement.formRead only: Returns aHTMLFormElement representing the object element's form owner, or null if there isn't one.
HTMLObjectElement.height: Returns a string that reflects theheight HTML attribute, specifying the displayed height of the resource in CSS pixels.
HTMLObjectElement.hspaceDeprecated: Along representing the horizontal space in pixels around the control.
HTMLObjectElement.name: Returns a string that reflects thename HTML attribute, specifying the name of the browsing context.
HTMLObjectElement.standbyDeprecated: A string that reflects the standby HTML attribute, specifying a message to display while the object loads.
HTMLObjectElement.type: A string that reflects thetype HTML attribute, specifying the MIME type of the resource.
HTMLObjectElement.useMapDeprecated: A string that reflects the usemap HTML attribute, specifying a<map> element to use.
HTMLObjectElement.validationMessageRead only: Returns a string representing a localized message that describes the validation constraints that the control does not satisfy (if any). This is the empty string if the control is not a candidate for constraint validation (willValidate isfalse), or it satisfies its constraints.
HTMLObjectElement.validityRead only: Returns aValidityState with the validity states that this element is in.
HTMLObjectElement.vspaceDeprecated: Along representing the horizontal space in pixels around the control.
HTMLObjectElement.width: A string that reflects thewidth HTML attribute, specifying the displayed width of the resource in CSS pixels.
HTMLObjectElement.willValidateRead only: Returns a boolean value that indicates whether the element is a candidate for constraint validation. Alwaysfalse forHTMLObjectElement objects.

Instance methods

Inherits methods from its parent,HTMLElement.

HTMLObjectElement.checkValidity(): Always returnstrue because<object> elements are never candidates for constraint validation.
HTMLObjectElement.getSVGDocument(): Returns the embedded SVG as aDocument.
HTMLObjectElement.reportValidity(): Always returnstrue because<object> elements are never candidates for constraint validation.
HTMLObjectElement.setCustomValidity(): Sets a custom validity message for the element. If this message is not the empty string, then the element is suffering from a custom validity error, and does not validate.