<script src="../include.js"></script>
<script>
    test(() => {
        let e = document.createElement("div");
        e.setAttribute("foo", "bar");
        let a = e.getAttributeNode("foo");
        let removed = e.removeAttributeNode(a);
        println(a === removed);
        try {
            e.removeAttributeNode(a);
            println("FAIL");
        } catch (e) {
            println("OK: " + e);
        }
    });
</script>