The HTMLMediaElement.autoplay property reflects the autoplay HTML attribute, indicating whether playback should automatically begin as soon as enough media is available to do so without interruption.
The HTMLMediaElement.controls property reflects the controls HTML attribute, which controls whether user interface controls for playing the media item will be displayed.
The HTMLMediaElement.defaultMuted property reflects the muted HTML attribute, which indicates whether the media element's audio output should be muted by default. This property has no dynamic effect. To mute and unmute the audio output, use the muted property.
The HTMLMediaElement.loop property reflects the loop HTML attribute, which controls whether the media element should start over when it reaches the end.
The HTMLMediaElement.mediaGroup property reflects the mediagroup HTML attribute, which indicates the name of the group of elements it belongs to. A group of media elements shares a common controller.
The HTMLMediaElement.src property reflects the value of the HTML media element's src attribute, which indicates the URL of a media resource to use in the element.
The HTMLMetaElement interface contains descriptive metadata about a document. It inherits all of the properties and methods described in the HTMLElement interface.
The HTMLModElement interface provides special properties (beyond the regular methods and properties available through the HTMLElement interface they also have available to them by inheritance) for manipulating modification elements, that is <del> and <ins>.
The HTMLObjectElement interface provides special properties and methods (beyond those on the HTMLElement interface it also has available to it by inheritance) for manipulating the layout and presentation of <object> element, representing external resources.
The HTMLObjectElement.typeMustMatch property is a Boolean reflects the typemustmatch attribute of the <object> element and indicates if the resouce linked by it must match the MIME type given by HTMLObjectElement.type in order for this resource to be used.
The HTMLOListElement interface provides special properties (beyond those defined on the regular HTMLElement interface it also has available to it by inheritance) for manipulating ordered list elements.