<!doctype html>
<title>WebSockets: setting event handlers to null</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=../../../constants.sub.js></script>
<meta name="variant" content="?default">
<meta name="variant" content="?wss">
<div id=log></div>
<script>
var events = ['onclose', 'onopen', 'onerror', 'onmessage'];
for (var i = 0; i < events.length; ++i) {
  test(function() {
    var ws = new WebSocket(SCHEME_DOMAIN_PORT+'/empty-messag