HTMLSourceElement: src property

The src property of the HTMLSourceElement interface is a string indicating the URL of a media resource to use as the source for the element.

It reflects the src attribute of the <source> element nested in an <audio> or <video> element. It has no meaning and is ignored when it is nested in a <picture> element.

Value

A string; the URL of a source resource to use in the element.

Examples

html
<video>
  <source
    id="el"
    src="large.webp"
    type="video/webp"
    media="screen and (600px <= width <= 800px)" />
</video>
js
const el = document.getElementById("el");
console.log(el.src); // Output: "large.webp"
el.src = "medium.webp"; // Updates the src value

Specifications

See also