Run results for: array.push vs array.map

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:125.0) Gecko/20100101 Firefox/125.0

Browser: Firefox 125

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

array.map

107/s

array.push

89/s

View exact numbers

Test name	Executions per second
✓ array.map	107 Ops/sec
array.push	89 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}`)