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<!doctype html>
<title>iframe and body margin attributes</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body marginwidth=20 marginheight=20 topmargin=10 rightmargin=10 bottommargin=10 leftmargin=10>
<iframe data-desc="iframe marginwidth vs child body leftmargin" src="support/body-topmargin-leftmargin.html" marginwidth=10 marginheight=10></iframe>
<iframe data-desc="iframe marginwidth vs child body marginwidth" src="support/body-marginwidth-marginheight.html" marginwidth=10 marginheight=10></iframe>
<script>
setup({explicit_done: true});
onload = () => {
test(() => {
const style = getComputedStyle(document.body);
assert_style_props(style);
}, 'body marginwidth vs body leftmargin');
[].forEach.call(document.querySelectorAll('iframe'), iframe => {
test(() => {
const win = iframe.contentWindow;
const style = win.getComputedStyle(win.document.body);
assert_style_props(style);
}, iframe.dataset.desc);
});
done();
}
function assert_style_props(style) {
for (let prop of ['marginTop', 'marginRight', 'marginBottom', 'marginLeft']) {
assert_equals(style[prop], '20px', prop);
}
}
</script>
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