array iteration vs _.each vs map vs for..of vs for loop (version: 0) Benchmark.js

Comparing performance of: _.each vs forEach vs map vs for..of vs for loop

Created: 6 years ago by: Registered User
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HTML Preparation code:
Script Preparation code:
Tests:

Historical Performance Data aggregated from 19 community runs

Desktop Results:
Chrome 13 runs
for loop
137K/s
for..of
133K/s
map
129K/s
forEach
124K/s
_.each
112K/s

Fastest: for loop (1.2x faster)

View exact numbers
  • ✓ for loop: 136,797 ops/sec
  • • for..of: 132,808 ops/sec
  • • map: 128,945 ops/sec
  • • forEach: 124,045 ops/sec
  • • _.each: 111,568 ops/sec
Firefox 6 runs
for loop
47K/s
forEach
47K/s
for..of
47K/s
_.each
44K/s
map
43K/s
View exact numbers
  • ✓ for loop: 46,902 ops/sec
  • • forEach: 46,842 ops/sec
  • • for..of: 46,685 ops/sec
  • • _.each: 43,745 ops/sec
  • • map: 43,187 ops/sec

Results show median performance across all community submissions. Run this benchmark yourself to verify on your device.

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    _.each
    forEach
    map
    for..of
    for loop

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: one year ago)
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36
Chrome 137 on Windows
View result in a separate tab
for loop
93K/s
for..of
83K/s
map
81K/s
forEach
81K/s
_.each
77K/s
View exact numbers
Test name Executions per second
✓ for loop 93,403 Ops/sec
for..of 83,301 Ops/sec
map 81,304 Ops/sec
forEach 81,064 Ops/sec
_.each 76,863 Ops/sec

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