js复制网页

async function copyToClipboard(text) {
  try {
    await navigator.clipboard.writeText(text);
    console.log('Text copied to clipboard');
  } catch (err) {
    console.error('Failed to copy text: ', err);
  }
}

// 调用函数
copyToClipboard('Hello, world!');

function copyToClipboardWithExec(text) {
  const textarea = document.createElement('textarea');
  textarea.value = text;
  document.body.appendChild(textarea);
  textarea.select();
  try {
    const successful = document.execCommand('copy');
    if (successful) {
      console.log('Text copied to clipboard');
    } else {
      console.error('Copy command failed');
    }
  } catch (err) {
    console.error('Failed to copy text: ', err);
  }
  document.body.removeChild(textarea);
}

// 调用函数
copyToClipboardWithExec('Hello, world!');