Run results for: array.push vs array.map

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Browser: Chrome 124

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

array.map

79/s

array.push

39/s

View exact numbers

Test name	Executions per second
✓ array.map	79 Ops/sec
array.push	39 Ops/sec

Script Preparation code:

var strs = Array.from(new Array(100000)).map(() => 'String concat. ')
var result = []

Tests:

array.push
for (let i = 0; i < strs.length; i++) { result.push(`${strs[i]}_ok_${strs[i] * 532}`) }
array.map
result = strs.map((a) => `${strs[i]}_ok_${strs[i] * 532}`)