ladybird/Tests/LibWeb/Text/input/input-blur.html

<input id=input type=text>
<script src="include.js"></script>
<script>
    test(() => {
        let input = document.getElementById("input");

        input.addEventListener("focus", () => {
            println("focus");
        });

        input.addEventListener("blur", () => {
            println("blur");
        });

        input.focus();
        input.blur();
    })
</script>