js下载网页源代码

fetch(window.location.href)
  .then(response => {
    if (!response.ok) {
      throw new Error('Network response was not ok');
    }
    return response.text();
  })
  .then(html => {
    console.log(html); // 打印网页源代码
    // 这里可以将html字符串保存到文件或其他存储介质
  })
  .catch(error => {
    console.error('There has been a problem with your fetch operation:', error);
  });

fetch(window.location.href)
  .then(response => response.text())
  .then(html => {
    const blob = new Blob([html], { type: 'text/html' });
    const url = URL.createObjectURL(blob);
    const a = document.createElement('a');
    a.href = url;
    a.download = 'page-source.html'; // 设置下载文件的名称
    document.body.appendChild(a);
    a.click(); // 模拟点击下载
    document.body.removeChild(a); // 下载后移除元素
    URL.revokeObjectURL(url); // 释放URL对象
  })
  .catch(error => console.error('Error downloading page source:', error));