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Issue #3057 - Implement new <select> HTML parser rules

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ownedbywuigi 2026-04-25 09:01:45 +01:00
commit 952767296d
5 changed files with 131 additions and 36 deletions
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parser/htmlparser/tests/mochitest/test_select_parser_relaxed.html Normal file
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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1933591
-->
<head>
<meta charset="utf-8">
<title>Test for relaxed select parser rules</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();
function parse(markup) {
const host = document.createElement("div");
host.innerHTML = markup;
return host;
}
(function testDivAllowedInSelect() {
const host = parse("<select><div><option>One</option></div></select>");
const select = host.querySelector("select");
ok(!!select, "select should parse");
is(select.firstElementChild && select.firstElementChild.tagName, "DIV",
"div should remain inside select");
is(select.querySelector("option").textContent, "One",
"option should still be found under nested content");
})();
(function testTextareaDoesNotCloseSelect() {
const host = parse("<select><textarea>abc</textarea><option>One</option></select>");
const select = host.querySelector("select");
ok(!!select, "select should parse");
ok(!!select.querySelector("textarea"), "textarea should remain inside select");
ok(!!select.querySelector("option"), "option should remain inside select");
})();
(function testInputStillClosesSelect() {
const host = parse("<select><div><input></div><option>One</option></select>");
const select = host.querySelector("select");
ok(!!select, "select should parse");
ok(!select.querySelector("input"), "input should not remain inside select");
ok(!select.querySelector("option"), "option should no longer be inside the closed select");
ok(!!host.querySelector("input"), "input should still be inserted in the tree");
})();
SimpleTest.finish();
</script>
</pre>
</body>
</html>