ass="Keyword">proc</span> <a href="#removeListener%2CEventSource%5BT%5D%2Cproc%28T%29"><span class="Identifier">removeListener</span></a><span class="Other">[</span><span class="Identifier">T</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">es</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="events.html#EventSource"><span class="Identifier">EventSource</span></a><span class="Other">[</span><span class="Identifier">T</span><span class="Other">