export default class extends HTMLElement { connectedCallback () { this.dateFrom = this.dataset.fromValue this.dateTo = this.dataset.toValue this.dateFromInput = document.getElementById(this.dataset.fromId) this.dateToInput = document.getElementById(this.dataset.toId) this.button.addEventListener('click', () => { this.dateFromInput.value = this.dateFrom || '' this.dateToInput.value = this.dateTo || '' }) } get button () { return this.querySelector('button') } }