'; html += '
'; html += '总秒数: ' + totalSec.toLocaleString() + ' s
总毫秒: ' + Math.abs(diff).toLocaleString() + ' ms
'; if (diff < 0) html += '方向: 结束时间早于开始时间
'; if (business) html += '工作日 (周一-周五): ' + businessDays + ' 天'; html += '
'; resultContent.innerHTML = html; resultMeta.textContent = (diff < 0 ? '反向 ' : '正向 ') + Math.abs(diff) + ' ms'; resultArea.classList.add('show'); }); document.getElementById('btn-clear').addEventListener('click', function() { var n = new Date(); n.setMinutes(n.getMinutes() - n.getTimezoneOffset()); t1.value = n.toISOString().slice(0, 19); n.setHours(n.getHours() + 1); t2.value = n.toISOString().slice(0, 19); document.getElementById('opt_negative').checked = true; document.getElementById('opt_business').checked = false; clearError(); clearResult(); }); })();