image-loading-lazy-data-url-to-https.html (887B)
1 <!DOCTYPE html> 2 <html class="reftest-wait"> 3 <head> 4 <title>Lazy loaded Images with data url placeholders can be overwritten by a src change</title> 5 <link rel="help" href="https://html.spec.whatwg.org/multipage/images.html#update-the-image-data"> 6 <link rel="match" href="image-loading-lazy-data-url-to-https-ref.html"> 7 <script src="/common/reftest-wait.js"></script> 8 </head> 9 10 <body> 11 <img id="image" loading="lazy" src="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 872 490' width='872' height='490' style='background: green' %3E%3C/svg%3E"> 12 13 <script> 14 const image = document.querySelector('#image'); 15 16 window.onload = function() { 17 // trigger intersection observer through forced layout. 18 image.offsetWidth; 19 image.setAttribute("src", 'resources/image.png'); 20 setTimeout(() => { takeScreenshot(); }, 100); 21 }; 22 </script> 23 </body> 24 </html>