The controlsList property of the HTMLMediaElement interface returns a DOMTokenList that helps the user agent select what controls to show on the media element whenever the user agent shows its own set of controls. The DOMTokenList takes one or more of three possible values: nodownload, nofullscreen, and noremoteplayback.
A DOMTokenList.
The value of controlsList can be set by passing a string representing the DOMTokenList's value property.
The controlsList property returns a DOMTokenList object containing the current set value.
const video = document.createElement("video");
console.log(video.controlsList.value); // ""
video.controlsList.add("noremoteplayback");
console.log(video.controlsList.value); // "noremoteplayback"You can also modify controlsList by directly setting it to a string containing the new value.
const audio = document.createElement("audio");
audio.controlsList = "nodownload";