js清空粘贴板

async function clearClipboard() {
  try {
    await navigator.clipboard.writeText('');
    console.log('Clipboard cleared successfully');
  } catch (err) {
    console.error('Failed to clear clipboard: ', err);
  }
}

// 调用函数清空粘贴板
clearClipboard();

function fallbackClearClipboard() {
  const textArea = document.createElement('textarea');
  textArea.value = '';
  document.body.appendChild(textArea);
  textArea.select();
  try {
    document.execCommand('copy');
    console.log('Clipboard cleared using fallback method');
  } catch (err) {
    console.error('Fallback failed to clear clipboard: ', err);
  }
  document.body.removeChild(textArea);
}

async function clearClipboardWithFallback() {
  if (navigator.clipboard) {
    await clearClipboard();
  } else {
    fallbackClearClipboard();
  }
}

// 调用函数清空粘贴板，带备选方案
clearClipboardWithFallback();