The lang property of the HTMLElement interface indicates the base language of an element's attribute values and text content, in the form of a BCP 47 language tag. It reflects the element's lang attribute; the xml:lang attribute does not affect this property.
The property name of the text track style option.
One of TextTrackStyleOption.
A control that displays the value of a single text track style option in a human-readable format.
Custom Element
<theoplayer-text-track-style-display>Attributes
langThe
langproperty of the HTMLElement interface indicates the base language of an element's attribute values and text content, in the form of a BCP 47 language tag. It reflects the element's lang attribute; the xml:lang attribute does not affect this property.MDN Reference
propertyThe property name of the text track style option.
One of TextTrackStyleOption.