Execute functions sequentially with array

seq_fn.js

var jsList = ["inline.js","polifill.js","vendor.js","main.js"];

var seq = jsList.reduceRight(reducefn,donefn);

seq("Start");

function mockExcuteJs(js,fn){
  console.log(`Execute ${js}`);
  fn("Execute "+js+" done.");
}

function reducefn(fn,js) {
	return function (s){
    console.log(s);
    mockExcuteJs(js,fn);
  };
}

function donefn(s) {
console.log(s);
console.log("All done.");
}

You can see the JSFiddle :
https://jsfiddle.net/ShenTengTu/q3d1ew6r/