third_party/WebKit/LayoutTests/fast/css/modify-ua-rules-from-javascript.html

   1 <!doctype html>
   2 <html>
   3 <head>
   4 <title>Test for Bug 35014 - Modifying UA rules from page JS crashes</title>
   5 <script>
   6 if (window.testRunner)
   7     testRunner.dumpAsText();
   8
   9 function test()
  10 {
  11     var cssRulesList = window.getMatchedCSSRules(document.body, "", false);
  12     if (cssRulesList)
  13     {
  14         var styleToChange = cssRulesList[0].style;
  15         var originalMarginTop = styleToChange.marginTop;
  16         styleToChange.marginTop = "200px";
  17         styleToChange.marginTop = originalMarginTop;
  18         document.getElementById("result").innerHTML = "FAIL";
  19     }
  20 }
  21 </script>
  22 </head>
  23 <body onload="test()">
  24 <div id="result">
  25 PASS
  26 </div>
  27 </body>
  28 </html>