<pre class="shiki github-dark shaku"><code>/** * @param {Array&lt;Promise&gt;} promises * @return {Promise} */function any(promises) { // your code here if (!promises.length) { return Promise.reject([]); } return new Promise((resolve, reject) =&gt; { let faildCount = 0; const errors = []; for(let i = 0;i&lt;promises.length;i++) { Promise.resolve(promises[i]).then((val) =&gt; { resolve(val); }).catch((error) =&gt; { errors[i] = error; faildCount++; if (faildCount === promises.length) { reject(new AggregateError( 'No Promise in Promise.any was resolved', errors)) } }) } })}</code></pre>

熟悉一下any的定义即可，思路跟all,race,allSettled一致

from MDN > Promise.any() takes an iterable of Promise objects and, as soon as one of the promises in the iterable fulfils, returns a single promise th…