Help find elements that have stopPropagation

bubble.js

const log = (eventType, event) => console.log(eventType, event.currentTarget);

function bubble(target, eventType) {
    var elm = target;

    while (elm.parentNode) {
        
        if (eventType instanceof Array) {
            eventType.forEach(eventType => {
                elm.addEventListener(eventType, e => { log(eventType, e); });
            })
        } else {
            elm.addEventListener(eventType, e => { log(eventType, e); });
        }
        
        elm = elm.parentNode;
    }
}