<pre class="shiki github-dark shaku"><code>/** * @param {Array&lt;(arg: any) =&gt; any&gt;} funcs * @return {(arg: any) =&gt; any} */function pipe(funcs) {	return function piped(finalArg) {		let result = finalArg;		for (const func of funcs) {			const partialResult = func.apply(this, [result]);			result = partialResult;		}		return result;	}}</code></pre>

O(n)

what is Composition? It is actually not that difficult to understand, see @dan_abramov 's explanation. Here you are asked to create a pipe() function,…