srcset and sizesThe srcset and sizes attributes for <img> elements set a list of possible sources for the image and a corresponding list of size conditions for choosing a source, to show a responsive image that fits the size of the display.htmlHTMLwidely2017-03-272019-09-27https://html.spec.whatwg.org/multipage/embedded-content.html#attr-img-srcsetsrcsethttps://developer.mozilla.org/docs/Web/API/HTMLImageElement/sizesapi.HTMLImageElement.sizesapi.HTMLImageElement.srcsetapi.HTMLSourceElement.sizesapi.HTMLSourceElement.srcsethtml.elements.img.sizeshtml.elements.img.srcsethtml.elements.source.sizeshtml.elements.source.srcsethttps://nowyoucanuse.com/features--srcset.html