export function addEventListen(target: Window | HTMLElement, event: string, handler: EventListenerOrEventListenerObject, capture = false) { if (target.addEventListener && typeof target.addEventListener === 'function') { target.addEventListener(event, handler, capture) } } export function removeEventListen( target: Window | HTMLElement, event: string, handler: EventListenerOrEventListenerObject, capture = false ) { if (target.removeEventListener && typeof target.removeEventListener === 'function') { target.removeEventListener(event, handler, capture) } }