<pre class="shiki github-dark shaku"><code>/** * @param {Array&lt;Promise&gt;} promises * @return {Promise} */function race(promises) { if(promises.length===0){ return [] } let counter = 1; return new Promise((res, rej) =&gt; { promises.forEach((el, index) =&gt; { el.then((val) =&gt; { counter--; if (counter === 0) { return res(val); } }).catch((err) =&gt; { counter--; if (counter === 0) { return rej(err); } }); }); });}</code></pre>

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Yandex

This problem is similar to 31. implement async helper - race(), but with Promise. > The Promise.race() method returns a promise that fulfills or rejec…