src/Hone.js
function addEventListeners() {
    window.addEventListener('resize', this.eventListener);
    this.scrollParents.forEach(parent => {
        parent.addEventListener('scroll', this.eventListener);
    });
}
function addEventListeners() {
    window.addEventListener('resize', this.eventListener);
    this.scrollParents.forEach(parent => {
        parent.addEventListener('scroll', this.eventListener);
    });
}
must be called in context of a hone