halan · February 22, 2017 17:05
diff --git a/reduce.js b/reduce.js
 let accumulator = 0;

 for(let index = 0; index < collection.length; index++) {
  accumulator = // get current accumulator and collection[index] and do some calculation
 }
  
 return accumlator;
	let accumulator = 0;

	for(let index = 0; index < collection.length; index++) {
	accumulator = // get current accumulator and collection[index] and do some calculation
	}

	return accumlator;