cssstyledeclaration-mutationrecord-002.html (817B)
1 <!doctype html> 2 <meta charset="utf-8"> 3 <title>CSSOM: CSSStyleDeclaration.setPropertyValue doesn't queue a mutation record for invalid values</title> 4 <link rel="help" href="https://drafts.csswg.org/cssom/#dom-cssstyledeclaration-setproperty"> 5 <link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> 6 <script src=/resources/testharness.js></script> 7 <script src=/resources/testharnessreport.js></script> 8 <script> 9 let test = async_test("CSSStyleDeclaration.setPropertyValue doesn't queue a mutation record when setting invalid values"); 10 let m = new MutationObserver(test.unreached_func("shouldn't queue a mutation record")); 11 m.observe(document.documentElement, { attributes: true }); 12 13 document.documentElement.style.width = "-100px"; 14 requestAnimationFrame(() => test.done()); 15 </script>