test/e2e/resources/console/command-line-api.html

<p id="foo">
</p>
<div id="outer">
<div id="inner">
</div>
</div>
<div id="empty">
</div>
<button id="button" onclick="alert(1)" onmouseover="listener2()"></button>
<button id="invalid" onclick="Invalid JavaScript"></button>
<script>
    function listener1()
    {
    }
    function listener2()
    {
    }

    document.getElementById("inner").addEventListener("keydown", listener1, false);
    document.getElementById("inner").addEventListener("keydown", listener2, true);
    document.getElementById("inner").addEventListener("wheel", listener2, {"passive": true});
    document.getElementById("outer").addEventListener("mousemove", listener1, false);
    document.getElementById("outer").addEventListener("mousedown", listener2, true);
    document.getElementById("outer").addEventListener("keydown", listener2, true);
    document.getElementById("outer").addEventListener("keyup", listener2, {once: true});
    window.addEventListener("popstate", listener1, false);

    function innerElement() {
      return document.getElementById("inner");
    }

    function innerListeners() {
      return getEventListeners(innerElement());
    }

    function removeInnerListeners() {
      innerElement().removeEventListener("keydown", innerListeners().keydown[0].listener, innerListeners().keydown[0].useCapture);
      innerElement().removeEventListener("wheel", innerListeners().wheel[0].listener, innerListeners().wheel[0].useCapture);
    }
</script>