text: function solve() {
      let button = document.getElementById('searchBtn');
      button.addEventListener('click', clickEvent);
      let trValues = document.querySelectorAll('tbody tr');
  
      function clickEvent(e) {
          let searchQuery = document.getElementById('searchField').value.toLowerCase();
  
          for (const tr of trValues){
              tr.className = '';
          }
  
          if (searchQuery){
              for (const tr of trValues){
                  for (const td of tr.getElementsByTagName('td')){
                      let tdValue = td.textContent.toLowerCase();
                      
                      if (tdValue.includes(searchQuery)){
                          tr.className = 'select';
                      }
                  }
              }
  
              document.getElementById('searchField').value = '';
          }
      }
  }