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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/cssom-view/window-screen-width-immutable.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html>
<head>
<title>CSSOM View - 4.2 - screen.width immutability</title>
<link rel="author" title="Neils Christoffersen" href="mailto:neils.christoffersen@gmail.com">
<meta name="flags" content="dom">
<meta name="assert" content="screen.width is immutable">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<div id="myDiv"></div>
<div id="log"></div>
<script>
var originalVal = window.screen.width;
// try to set window.screen.width
window.screen.width = 0;
// verify window.screen.width didn't change
test(function() {
assert_equals(window.screen.width, originalVal, "window.screen.width should be immutable")
}, "immutability test");
</script>
</body>
</html>