html点击a标签下载文件

<a href="/images/pic.jpg" download="myFileName">

const download = (filename, link) =>{
  let DownloadLink = document.createElement('a'); 
  DownloadLink.style = 'display: none'; // 创建一个隐藏的a标签
  DownloadLink.download = filename; 
  DownloadLink.href = link; 
  document.body.appendChild(DownloadLink); 
  DownloadLink.click(); // 触发a标签的click事件
  document.body.removeChild(DownloadLink);
}