This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
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 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); // ""
| Specification |
|---|
| HTML> # dom-media-currentsrc-dev> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
currentSrc |
3 | 12 | 3.5 | ≤12.1 | 3.1 | 18 | 4 | ≤12.1 | 3 | 1.0 | 4.4 | 3 |
HTMLMediaElement: Interface used to define the HTMLMediaElement.currentSrc property
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https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/currentSrc