item-header-constructor"><span class="qm-api-javascript-header-constructor-signature qm-api-header-details qm-code-font" id="hx.eventemitter"><span class="qm-api-javascript-header-constructor-name">hx.EventEmitter</span><span class="qm-api-javascript-header-function-args"></span></span><span class="qm-api-header-tags"></span></div></div></div></div><div class="qm-api-collapsible-content"><div class="qm-api-item-content"><div class="qm-api-description"><div class="qm-html-paragraph">Creates a new EventEmitte