js/impress.js
function( target, type, listenerFunction ) {
            eventListenerList.push( { target:target, type:type, listener:listenerFunction } );
        }
function( target, type, listenerFunction ) {
            eventListenerList.push( { target:target, type:type, listener:listenerFunction } );
        }
function ( target , type , listenerFunction ) { eventListenerList . push ( { target : target , type : type , listener : listenerFunction } ) ; }
`pushEventListener` adds an event listener to the gc stack
pushEventListener adds an event listener to the gc stack