Benchmark: for vs foreach vs for..of vs for..of over large entries

Script Preparation code:

var array = Array.from({length: 10000});
var t;

Tests:

for
for (let i = 0; i < array.length; i++) { t = array[i]; }
foreach
array.forEach(function(v, i) { t = v; });
for..of
for (var v of array) { t = v; }
for..of over entries
for (var [i, v] of array.entries()) { t = v; }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
for
foreach
for..of
for..of over entries

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0

Browser/OS: Firefox 134 on Windows

View result in a separate tab

for

79K/s

foreach

17K/s

for..of

16K/s

for..of over entries

8K/s

View exact numbers

Test name	Executions per second
✓ for	78,753 Ops/sec
foreach	17,307 Ops/sec
for..of	15,883 Ops/sec
for..of over entries	8,068 Ops/sec

for vs foreach vs for..of vs for..of over large entries (version: 1)

Compare loop performance

Comparing performance of: `for vs foreach vs for..of vs for..of over entries`

Created: one year ago by: Guest

Go to the latest result

for

foreach

for..of

for..of over entries

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

for vs foreach vs for..of vs for..of over large entries (version: 1)

Compare loop performance

Comparing performance of: for vs foreach vs for..of vs for..of over entries

Created: one year ago by: Guest

Go to the latest result

for

foreach

for..of

for..of over entries

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Related benchmarks

Comparing performance of: `for vs foreach vs for..of vs for..of over entries`