seanbrwh · December 31, 2018 15:23
diff --git a/arrayFlatten b/arrayFlatten
 let flatten = (arr) => {
  return arr.reduce((curr, prev)=>{
    return curr.concat(Array.isArray(prev) ? flatten(prev) : prev);
  }, []);
 }
	let flatten = (arr) => {
	return arr.reduce((curr, prev)=>{
	return curr.concat(Array.isArray(prev) ? flatten(prev) : prev);
	}, []);
	}