Run results for: Map Push vs Map return

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36

Browser: Chrome 92

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Push	1326.6 Ops/sec
Join	20201.4 Ops/sec

Script Preparation code:

var strs = Array.from(new Array(10000)).map(() => 'String concat. ')
var result = []

AخA
 
var strs = Array.from(new Array(10000)).map(() => 'String concat. ')var result = []

Tests:

result = strs.map((a) => {
  result.push(a)
})

 
result = strs.map((a) => {  result.push(a)}) 