-extension</a> &#x00BB; Browser_utils</nav><h1>Module <code>Browser_utils</code></h1></header><div class="spec class-type" id="class-type-event"><a href="#class-type-event" class="anchor"></a><code><span class="keyword">class</span> <span class="keyword">type</span> 'a <a href="class-type-event/index.html">event</a> = <span class="keyword">object</span> ... <span class="keyword">end</span></code></div><div class="spec class-type" id="class-type-event2"><a href="#class-type-event2" class="anchor"></a><code><