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<!DOCTYPE html>
<meta charset=utf-8>
<title>Submitting element directionality: the dirname attribute</title>
<link rel="author" title="Denis Ah-Kang" href="mailto:denis@w3.org">
<link rel=help href="https://html.spec.whatwg.org/multipage/#submitting-element-directionality:-the-dirname-attribute">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<form action="dirname-ltr-iframe.html" method=get target="iframe">
<p><label>Comment: <input type=text name="comment" dirname="comment.dir" required></label></p>
<p><button type=submit>Post Comment</button></p>
</form>
<iframe name="iframe"></iframe>
<script>
function getParameterByName(name) {
name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");
var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
results = regex.exec(document.querySelector("iframe").contentWindow.location.search);
return results == null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
}
var t = async_test("submit element directionality");
document.querySelector("input").value = "foobar";
document.querySelector("button").click();
var iframe = document.querySelector("iframe");
iframe.onload = t.step_func(function() {
// The initial about:blank load event can be fired before the form navigation occurs.
// See https://github.com/whatwg/html/issues/490 for more information.
if(iframe.contentWindow.location.href == "about:blank") { return; }
assert_equals(getParameterByName("comment.dir"), "ltr");
t.done();
});
</script>
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