concurrent.js

var concurrent = async function() {
  startTime = performance.now();
  const resolveAfter3seconds = promiseTRSANSG(3);
  console.log("Promise for resolveAfter3seconds created at ", executingAt());
  const resolveAfter4seconds = promiseTRSANSG(4);
  console.log("Promise for resolveAfter4seconds created at ", executingAt());
resolveAfter3seconds.then(function(){
    console.log("resolveAfter3seconds resolved at ", executingAt());
  });
resolveAfter4seconds.then(function(){
    console.log("resolveAfter4seconds resolved at ", executingAt());
  });
  console.log(await resolveAfter4seconds);
  console.log("await resolveAfter4seconds executed at ", executingAt());
  console.log(await resolveAfter3seconds); 
  console.log("await resolveAfter3seconds executed at ", executingAt());
};
concurrent();