html
<meta http-equiv="Expires" content="0">
<meta http-equiv="Pragma" content="no-cache">
<meta http-equiv="Cache-control" content="no-cache">
<meta http-equiv="Cache" content="no-cache">
css、js
<link rel="stylesheet" href="../css/register.css"/>
<script src="../scripts/register.js"></script>
改成
<link rel="stylesheet" href="../css/register.css?v=20161020"/>
<script src="../scripts/register.js?v=20161020"></script>
（ 當然，用 webpack 打包工具比較好，前提是你的項目代碼足夠規范 ）