Is 'sizes' required when using w in 'srcset' ?
MDN says so, although I see a lot of real-world examples that do away with it.
What happens when no 'sizes' is present. Will the browser completely ignore the srcset, or pick a size based on the current layout size of the img element (scaled by the display density) ?
What happens when no 'sizes' is present. Will the browser completely ignore the srcset, or pick a size based on the current layout size of the img element (scaled by the display density) ?
