Running async operations in parallel. Concurrency limit applied correctly

[parallel-promises]-take3-subtake1-part0.js

async function take3subtake1part0() {
  const concurrencyLimit = 5;
  const argsCopy = listOfArguments.slice();
  const promises = new Array(concurrencyLimit).fill(Promise.resolve());
  // Recursively chain the next Promise to the currently executed Promise
  function chainNext(p) {
    if (argsCopy.length) {
      const arg = argsCopy.shift();
      return p.then(() => {
        const operationPromise = asyncOperation(arg);
        return chainNext(operationPromise);
      })
    }
    return p;
  }

  await Promise.all(promises.map(chainNext));
}