'; resultContent.innerHTML = html; resultMeta.textContent = val + ' × ' + UNITS[from].to_m + ' / ' + UNITS[to].to_m + ' = ' + result; resultArea.classList.add('show'); }); btnClear.addEventListener('click', function() { document.getElementById('val').value = 1; fromSel.value = 'm'; toSel.value = 'cm'; clearError(); clearResult(); }); })();