charset-is-not-a-rule.html (559B)
1 <!doctype html> 2 <title>@charset isn't a valid rule and should be dropped</title> 3 <meta name="author" title="Tab Atkins-Bittner"> 4 <link rel=help href="https://drafts.csswg.org/css-syntax/#charset-rule"> 5 <script src="/resources/testharness.js"></script> 6 <script src="/resources/testharnessreport.js"></script> 7 <style> 8 @charset "utf-8"; 9 @charset "utf-8"; 10 foo { color: blue; } 11 @charset "utf-8"; 12 </style> 13 <script> 14 test(()=>{ 15 assert_equals(document.styleSheets[0].cssRules.length, 1) 16 }, "@charset isn't a valid rule and shouldn't show up in the OM"); 17 </script>