1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Dynamically changing HTMLStyleElement.type should change the rendering accordingly</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<link rel="help" href="https://html.spec.whatwg.org/multipage/#the-style-element">
<style type="no/mime">
body { color: green }
</style>
</head>
<body>
Text content.
<script>
var style = document.querySelector("style");
test(function() {
assert_equals(document.styleSheets.length, 0);
}, "Check initial styleSheets length type");
test(function() {
assert_not_equals(getComputedStyle(document.querySelector("body")).color, "rgb(0, 128, 0)");
assert_equals(document.styleSheets.length, 0);
style.type = "text/css";
assert_equals(getComputedStyle(document.querySelector("body")).color, "rgb(0, 128, 0)");
assert_equals(document.styleSheets.length, 1);
}, "Change type from invalid type to valid type");
test(function() {
assert_equals(getComputedStyle(document.querySelector("body")).color, "rgb(0, 128, 0)");
assert_equals(document.styleSheets.length, 1);
style.type = "no/mime";
assert_not_equals(getComputedStyle(document.querySelector("body")).color, "rgb(0, 128, 0)");
assert_equals(document.styleSheets.length, 0);
}, "Change type from valid type to invalid type");
</script>
</body>
</html>
|
