function solve() {

     let search = document.getElementById("searchBtn");

     search.addEventListener("click", containObj);

     function containObj() {
         const input = document.getElementById('searchField');
         const inputValue = input.value;

         let tr = document.querySelectorAll("tbody > tr");

          let unselect = Array.from(tr)
              .forEach(el => el.classList.remove('select'));

         const td = document.querySelectorAll('tbody > tr > td');

         let selectedClickElements = Array.from(td)
             .filter(e => e.textContent.includes(inputValue))
             .forEach(el => el.parentNode.className = 'select');

         input.value = '';
     }
 }