The HTMLMediaElement.currentSrc property contains the absolute URL of the chosen media resource. This could happen, for example, if the web server selects a media file based on the resolution of the user's display. The value is an empty string if the networkState property is EMPTY. 
 
 A string object containing the absolute URL of the chosen media source; this may be an empty string if networkState is EMPTY; otherwise, it will be one of the resources listed by the HTMLSourceElement contained within the media element, or the value or src if no <source> element is provided. 
 
const obj = document.createElement("video");
console.log(obj.currentSrc);