export class Application { constructor() { this.addTopHandlers() } addTopHandlers() { for (const top of document.querySelectorAll('.top .fqdn')) top.addEventListener('click', event=>this.handlerTop(event)) } handlerTop(event) { const fqdn = event.target const top = fqdn.closest('.top') const records = top.querySelector('.records') console.log(fqdn, top, records) } }