Table – Search Engine JS Advanced

function solve() {
   document.querySelector('#searchBtn').addEventListener('click', onClick);

   function onClick() {
      let currentSearch = document.querySelector('#searchField');
      let elements = document.querySelectorAll('tbody tr');

      for (let el of elements) {
         el.classList.remove('select');
         if (currentSearch.value !== '' && el.textContent.includes(currentSearch.value)) {
            el.classList.add('select');
         }
      }
      currentSearch.value = '';
   }
}