update-subpixel-rem-unit.html (719B)
1 <!doctype html> 2 <html style="font-size:16px"> 3 <head> 4 <title>CSS Values and Units Test: rem subpixel change</title> 5 <link rel="help" href="https://drafts.csswg.org/css-values/#rem"> 6 <script src="/resources/testharness.js"></script> 7 <script src="/resources/testharnessreport.js"></script> 8 </head> 9 <body> 10 <div style="font-size:16px"> 11 <div id="remElement" style="width: 10rem"></div> 12 </div> 13 <script> 14 test(() => { 15 assert_equals(getComputedStyle(remElement).width, "160px"); 16 document.documentElement.style.fontSize = "16.1px"; 17 assert_equals(getComputedStyle(remElement).width, "161px"); 18 }, "Check that a 0.1px change in root font-size affect rem units."); 19 </script> 20 <body> 21 </html>