Javascript: Case insensitive string comparison performance 2 (version: 0)

Comparing performance of: toLowerCase() vs localeCompare() vs toLowerCase() FAIL vs localeCompare() FAIL vs toLocaleLowerCase() vs toLocaleLowerCase() FAIL

Created: 4 years ago by: Guest
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Script Preparation code:
Tests:

Historical Performance Data aggregated from 30 community runs

Desktop Results:
Chrome 30 runs
toLowerCase()
31.2M/s
toLowerCase() FAIL
20.4M/s
toLocaleLowerCase()
17.5M/s
toLocaleLowerCase() FAIL
16.5M/s
localeCompare() FAIL
305K/s
localeCompare()
299K/s

Fastest: toLowerCase() (104.6x faster)

View exact numbers
  • ✓ toLowerCase(): 31,248,532 ops/sec
  • • toLowerCase() FAIL: 20,398,012 ops/sec
  • • toLocaleLowerCase(): 17,458,456 ops/sec
  • • toLocaleLowerCase() FAIL: 16,477,400 ops/sec
  • • localeCompare() FAIL: 305,052 ops/sec
  • • localeCompare(): 298,765 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
    toLowerCase()
    localeCompare()
    toLowerCase() FAIL
    localeCompare() FAIL
    toLocaleLowerCase()
    toLocaleLowerCase() FAIL

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 9 months ago)
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36
Chrome 141 on Windows
View result in a separate tab
toLowerCase()
97.8M/s
toLowerCase() FAIL
92.0M/s
toLocaleLowerCase()
25.6M/s
toLocaleLowerCase() FAIL
24.3M/s
localeCompare()
228K/s
localeCompare() FAIL
226K/s
View exact numbers
Test name Executions per second
✓ toLowerCase() 97,840,448 Ops/sec
toLowerCase() FAIL 91,955,056 Ops/sec
toLocaleLowerCase() 25,598,754 Ops/sec
toLocaleLowerCase() FAIL 24,272,174 Ops/sec
localeCompare() 228,118 Ops/sec
localeCompare() FAIL 226,100 Ops/sec

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