const startPage = document.getElementById('start-page'); const templatePage = document.getElementById('template'); if (!startPage || !templatePage) return alert("Base website template got corrupted! Can't find either start page or template page.") function proceed() { const input = document.querySelector('#start-page > input'); const patches = DATA?.[input.value]; if (!patches) return alert('Bad access code!') } function applyPatches(patches) { for (const [key, func] of Object.entries(patches)) { const element = document.querySelector(key); if (!element) return alert(`Bad data source template! No HTML element found for selector '${key}'.`) func(element) } } internal__submit.addEventListener('click', proceed)