https://developer.mozilla.org/en-US/docs/Web/API/HTMLImageElement/naturalWidth
HTMLImageElement: naturalWidth property - Web APIs | MDN
The read-only naturalWidth property of the HTMLImageElement interface returns the intrinsic (natural), density-corrected width of the image in CSS pixels.
property web apisnaturalwidth
https://caniuse.com/?search=ciu/img-naturalwidth-naturalheight
"ciu/img-naturalwidth-naturalheight" | Can I use... Support tables for HTML5, CSS3, etc
use support tablesciuimg