<!DOCTYPE html>
<html>
<head>
<title>CSS Test: CSSOM StyleSheet insertRule omitted second argument</title>
<link rel="author" title="Sendil Kumar N" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/cssom/">
<link rel="help" href="http://www.w3.org/TR/cssom-1/#the-cssrule-interface">
<meta name="flags" content="dom">
<script src="/resources/testharness.js" type="text/javascript"></script>
<script src="/resources/testharnessreport.js" type="text/javascript"></script>
<style id="styleElement">
/* An initial style rule to test where the new rule is inserted relative to this one */
nosuchelement { color: red; }
</style>
</head>
<body>
<div id="log"></div>
<script type="text/javascript">
var sheet = document.getElementById("styleElement").sheet;
test(function() {
assert_equals(sheet.cssRules.length, 1);
sheet.insertRule("p { color: green; }");
assert_equals(sheet.cssRules.length, 2);
assert_equals(sheet.cssRules.item(0).cssText, "p { color: green; }");
}, "insertRule with omitted index argument");
test(function() {
assert_equals(sheet.cssRules.length, 2);
sheet.insertRule("p { color: yellow; }", undefined);
assert_equals(sheet.cssRules.length, 3);
assert_equals(sheet.cssRules.item(0).cssText, "p { color: yellow; }");
}, "insertRule with undefined index argument");
</script>
</body>
</html>
Codebase Browser
chromium