title: What versions of nodejs support async Iterators
body: <p>What versions of nodejs support async Iterators ? and is there a way to make it work in older version of nodejs.</p>
  
  <p>syntax</p>
  
  <pre><code>for await (let content of promises) { // promises =&gt; array of promise objects
      console.log(content);
    }
  </code></pre>