JS uniqid generator

uniqid.js

export default (key = "key") => {
   let ts = String(new Date().getTime()),
      i = 0,
      out = "";
   for (i = 0; i < ts.length; i += 2) {
      out += Number(ts.substr(i, 2)).toString(36);
   }
   return key + out;
};