<script src="include.js"></script>
<style>
    body {
        margin: 0;
    }

    #box {
        width: 200px;
        height: 200px;
        background-color: magenta;
    }
</style>
<div style="height: 1000px"></div>
<div style="margin-left: 500px" onclick="clickHandler(event)" id="box"></div>
<div style="height: 1000px"></div>
<script>
    function clickHandler(event) {
        document.getElementById("box").scrollIntoView({ block: "center" });
    }

    asyncTest(done => {
        document.addEventListener("scroll", event => {
            println("The page has been scrolled to y: " + window.scrollY);
            done();
        });

        document.getElementById("box").dispatchEvent(new Event("click"));
    });
</script>