const strToChar = (s) => { return s .split("") .map((i) => i.charCodeAt()) .join(""); }; /** * 机场航班调度程序 * @param {string} s */ const handler = (s) => { const list = s.split(","); return list.sort((a, b) => strToChar(a) - strToChar(b)).join(); }; console.log(handler("CA3385,CZ6678,SC6508,DU7523,HK4456,MK0987"));