Js生成css文件并下载到本地

var cssContent = "body {color: red; font-size: 16px;}";
var blob = new Blob([cssContent], {type: 'text/css'});
var url = URL.createObjectURL(blob);

var downloadLink = document.createElement('a');
downloadLink.href = url;
downloadLink.download = 'myCSS.css'; // 为下载的文件命名

document.body.appendChild(downloadLink);
downloadLink.click();
document.body.removeChild(downloadLink);