Run results for: foreach vs map by wayne

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.69 Safari/537.36

Browser: Chrome 95

Operating system: Mac OS X 10.14.6

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
foreach	4073.3 Ops/sec
map	9303.4 Ops/sec

Tests:

foreach

let arr = Array(10000);
arr.fill({name: 'ddd', age: 123});
const newArr1 = []
const newArr2 = []
arr.forEach((v) => {
	newArr1.push(v.name)
    newArr2.push(v.age)	
})

AخA
 
let arr = Array(10000);arr.fill({name: 'ddd', age: 123});const newArr1 = []const newArr2 = []arr.forEach((v) => {    newArr1.push(v.name)    newArr2.push(v.age) })

map

let arr = Array(10000);
arr.fill({name: 'ddd', age: 123});
const newArr2 = []
const newArr1 = arr.map((v) => {
	newArr2.push(v.age)	
  	return v.name
})

 
let arr = Array(10000);arr.fill({name: 'ddd', age: 123});const newArr2 = []const newArr1 = arr.map((v) => {    newArr2.push(v.age)     return v.name})