不变的css或js,直接引入,需要更新的才动态引入~
动态添加js
<script>
document.write('<script src="js/1.js?' + Math.random() + '"><\/script>');
document.write('<script src="js/2.js?' + Math.random() + '"><\/script>');
</script>
动态添加css
<script>
document.write('<link rel="stylesheet" href="css/3.css?' + Math.random() + '">');
</script>