requirejs

https://cdn.bootcss.com/require.js/2.3.6/require.min.js
加载文件js和css

require.config({
    paths: {
        layer:"layer",
        validator:"validator.min"
    },shim:{
        layer:["css!layer.css"]
    }
});
require(['layer',"validator"], function(layer,validator) {


})