通过按钮将div元素中的内容复制到剪贴板

<button id="copyButton">复制内容</button>
<div id="contentDiv">这是要复制的内容</div>

document.getElementById("copyButton").addEventListener("click", function() {
  const content = document.getElementById("contentDiv").innerText;
  navigator.clipboard.writeText(content)
    .then(function() {
      console.log("内容已成功复制到剪贴板");
    })
    .catch(function(error) {
      console.error("复制内容到剪贴板失败：", error);
    });
});

document.getElementById("copyButton").addEventListener("click", function() {
  const content = document.getElementById("contentDiv").innerText;
  const textarea = document.createElement("textarea");
  textarea.value = content;
  document.body.appendChild(textarea);
  textarea.select();
  document.execCommand("copy");
  document.body.removeChild(textarea);
  console.log("内容已成功复制到剪贴板");
});