The width property of the HTMLEmbedElement interface returns a string that reflects the width attribute of the <embed> element, indicating the displayed width of the resource in CSS pixels.
A string indicating the displayed width of the resource in CSS pixels.
<embed id="el" width="800" height="600" src="https://example.com" />const el = document.getElementById("el");
console.log(el.width); // Output: '800'