阻止浏览器缓存链接文件

Cache-Control: no-cache, no-store, must-revalidate
Pragma: no-cache
Expires: 0

var link = document.createElement('link');
link.rel = 'stylesheet';
link.type = 'text/css';
link.href = 'styles.css?version=' + new Date().getTime();
document.head.appendChild(link);

function generateRandomString() {
  var length = 10;
  var characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
  var result = '';
  for (var i = 0; i< length; i++) {
    result += characters.charAt(Math.floor(Math.random() * characters.length));
  }
  return result;
}

<link rel="stylesheet" href="styles.css?random=<random_string>">