Benchmark: for vs. map - MeasureThat.net

Script Preparation code:

var arr10 = new Array(10).fill();
var arr1k = new Array(1000).fill();
var arr100k = new Array(100000).fill();
var arr1M = new Array(1000000).fill();

Tests:

map10
const map10 = arr10.map((item) => item);
for10
const for10 = []; for (const item of arr10) { for10.push(item); }
map1k
const map1k = arr1k.map((item) => item);
for1k
const for1k = []; for (const item of arr1k) { for1k.push(item); }
map100k
const map100k = arr100k.map((item) => item);
for100k
const for100k = []; for (const item of arr100k) { for100k.push(item); }
map1M
const map1M = arr1M.map((item) => item);
for1M
const for1M = []; for (const item of arr1M) { for1M.push(item); }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
map10
for10
map1k
for1k
map100k
for100k
map1M
for1M

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.75 Safari/537.36

Browser/OS: Chrome 86 on Windows

View result in a separate tab

Test name	Executions per second
map10	5612797.0 Ops/sec
for10	5393591.0 Ops/sec
map1k	180510.8 Ops/sec
for1k	148983.8 Ops/sec
map100k	407.4 Ops/sec
for100k	723.9 Ops/sec
map1M	38.3 Ops/sec
for1M	44.2 Ops/sec

for vs. map (version: 0)

Comparing performance of: map10 vs for10 vs map1k vs for1k vs map100k vs for100k vs map1M vs for1M

Created: 3 years ago by: Guest

Jump to the latest result

map10

for10

map1k

for1k

map100k

for100k

map1M

for1M

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A