<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>HTML Test: The style should not be applied if it is disabled</title> <link rel="author" title="Intel" href="http://www.intel.com/"> <link rel="help" href="https://html.spec.whatwg.org/multipage/#the-style-element"> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <style> #test { width: 100px; } </style> <style id="style"> #test { width: 50px; } </style> </head> <body> <div id="log"></div> <div id="test"></div> <script> test(function() { var testElement = document.getElementById("test"); var style = document.getElementById("style"); var width1, width2; width1 = window.getComputedStyle(testElement, false)["width"]; assert_equals(width1, "50px", "The style should be applied."); style.disabled = true; width2 = window.getComputedStyle(testElement, false)["width"]; assert_equals(width2, "100px", "The style should not be applied."); }, "The style is not applied when it is disabled"); </script> </body> </html>