gegeke · June 5, 2019 10:27
diff --git a/additionOptimizationWithForOf.js b/additionOptimizationWithForOf.js
 export const addSingle = (items, noItems) => {
  return new Promise((resolve) => {
    let sumData = 0
    for(let item of items) {
      sumData += item.data1
    }
    resolve(sumData)
  })
 }
	export const addSingle = (items, noItems) => {
	return new Promise((resolve) => {
	let sumData = 0
	for(let item of items) {
	sumData += item.data1
	}
	resolve(sumData)
	})
	}