5 ms·

In 7.2.x, you could do async await with just a --harmony flag.

• eknkc 10y ago
  I might be mistaken but I believe there were some major performance issues with the older async/await implementation.
  • egeozcan 10y ago
    Yes, on the other hand, if you are like me and use them for one-off scripts, they are great.
  • ronjouch 10y ago
    Indeed, a memory leak: https://github.com/nodejs/node/issues/9339 https://github.com/nodejs/node/issues/9339 / https://bugs.chromium.org/p/v8/issues/detail?id=5582 https://bugs.chromium.org/p/v8/issues/detail?id=5582