text: function solve() {
     document.querySelector('#searchBtn').addEventListener('click', onClick);
  
     function onClick() {
        let dataElementsArr = Array.from(document.getElementsByTagName('tbody')[0].children);
  
        for (const row of dataElementsArr) {
           row.classList.remove('select');
        }
  
        let searchTerm = document.getElementById('searchField').value;
  
        for (let row of dataElementsArr) {
           for (const studentData of row.getElementsByTagName('td')) {
              if (studentData.textContent.includes(searchTerm)){
                 row.classList.add('select');
                 break;
              }
           }
        }
     }
  }