<pre class="shiki github-dark shaku"><code>/** * @param {any[]} items * @param {number[]} newOrder * @return {void} */function swap(array, index, index2) { const temp = array[index]; array[index] = array[index2]; array[index2] = temp;}function sort(items, newOrder) { // reorder items inline let index = 0; while(index &lt; items.length) { if(newOrder[index] === index) { index++; } else { const newSpot = newOrder[index]; swap(items, index, newSpot); swap(newOrder, index, newSpot); } }}</code></pre>