$('#thisid').closest('li');
// `closest()` is equivalent to (but performs better than)
$('#thisid').parents('li').eq(0);
$('#thisid').parents('li').first();
$(this).parents("tr:first");
$(this).parent(); // jquery1
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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>parent demo</title>
<script src="https://code.jquery.com/jquery-3.5.0.js"></script>
</head>
<body>
<div><p>Hello</p></div>
<div class="selected"><div><p>Hello Again</p></div></div>
<script>
$( "p" ).parent( ".selected" ).css( "background", "yellow" );
</script>
</body>
</html>