console 命令行工具 X clear

console

const config = {
  name: 'lsqy',
  password: 'yourpassword',
  ak: 'XXXXXXXXXX',
  sk: 'XXXXXXXXXX'
}

const blobContent = new Blob(
  [JSON.stringify(config, null, 2)],
  {type : 'application/json'}
);

const blobUrl = window.URL.createObjectURL(blobContent)



function downloadFileByBlob(blobUrl, filename) {
  const eleLink = document.createElement('a')
  eleLink.download = filename
  eleLink.style.display = 'none'
  eleLink.href = blobUrl
  // 触发点击
  document.body.appendChild(eleLink)
  eleLink.click()
  // 然后移除
  document.body.removeChild(eleLink)
}

document.querySelector('button').onclick = () => {
    downloadFileByBlob(blobUrl, 'config.json')
}

<body>
	<button>下载</button>
</body>