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<!doctype html>
<meta charset="utf-8">
<title></title>
<link rel="help" href="https://drafts.csswg.org/css-animations/#interface-csskeyframerule">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style type="text/css" id="styleElement">
div { animation: 3s slidein; }
@keyframes slidein {
from {
margin-left: 100%;
width: 300%;
}
to {
margin-left: 0%;
width: 100%;
}
}
</style>
<script>
var styleSheet = document.getElementById("styleElement").sheet;
var keyframesRule = styleSheet.cssRules[1];
var fromRule = keyframesRule.cssRules[0];
var toRule = keyframesRule.cssRules[1];
test(function() {
assert_equals(keyframesRule.name, "slidein");
assert_equals(typeof fromRule.style, "object");
assert_equals(fromRule.style.marginLeft, "100%");
assert_equals(fromRule.style.width, "300%");
assert_equals(typeof toRule.style, "object");
assert_equals(toRule.style.marginLeft, "0%");
assert_equals(toRule.style.width, "100%");
toRule.style.marginLeft = "-5%";
toRule.style.width = "50%";
assert_equals(fromRule.style.marginLeft, "100%");
assert_equals(fromRule.style.width, "300%");
assert_equals(toRule.style.marginLeft, "-5%");
assert_equals(toRule.style.width, "50%");
}, "CSSKeyframeRule: style property");
test(function() {
fromRule.style = "margin-left: 50%; width: 100%;";
assert_equals(fromRule.style.marginLeft, "50%", "margin-left");
assert_equals(fromRule.style.width, "100%", "width");
}, "CSSKeyframeRule: style property has [PutForwards]");
</script>
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