image-resize-percent-width.html (430B)
1 <!DOCTYPE HTML> 2 <html class="reftest-wait"> 3 <script> 4 function run() { 5 var img = document.getElementsByTagName("img")[0]; 6 img.offsetWidth; // flush layout 7 img.onload = imgload; 8 img.src = "blue-50x50.png"; 9 } 10 function imgload() { 11 document.documentElement.classList.remove("reftest-wait"); 12 } 13 </script> 14 <body onload="run()"> 15 <div style="width: max-content"><img src="blue-100x50.png" style="width: 100%; height: 50px"></div>