text: function solve() {
      document.querySelector('#searchBtn').addEventListener('click', onClick);
  
      function onClick() {
          let searchText = document.getElementById('searchField').value;
          let rowsElements = document.querySelectorAll('.container tbody tr');
  
          //   rowsElements.forEach(row => {
          //       if (row.textContent.includes(searchText)) {
          //           row.className = 'select';
          //       }
          //   });
  
          for (const e of rowsElements) {
              if (e.textContent.includes(searchText)) {
                  e.className = 'select';
              }
          }
  
          document.getElementById('searchField').value = '';
      }
  }