arrowfn vs expressionfn unnamedexpressionfn declarationfn (version: 1)

const arrowfn = (a, b) => a + b; const expressionfn = function add(a, b) { return a + b; }; const unnamedexpressionfn = function(a, b) { return a + b; }; function declarationfn(a, b) { return a + b; }

Comparing performance of: arrowfn vs expressionfn vs unnamedexpressionfn vs declarationfn

Created: one year ago by: Guest
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Script Preparation code:
Tests:

Historical Performance Data aggregated from 10 community runs

Desktop Results:
Chrome 10 runs
arrowfn
278.0M/s
unnamedexpressionfn
273.6M/s
declarationfn
268.1M/s
expressionfn
253.6M/s
View exact numbers
  • ✓ arrowfn: 278,019,168 ops/sec
  • • unnamedexpressionfn: 273,647,584 ops/sec
  • • declarationfn: 268,140,960 ops/sec
  • • expressionfn: 253,579,648 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
    arrowfn
    expressionfn
    unnamedexpressionfn
    declarationfn

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: one year ago)
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36
Chrome 136 on Linux
View result in a separate tab
arrowfn
156.2M/s
unnamedexpressionfn
156.1M/s
declarationfn
156.1M/s
expressionfn
151.9M/s
View exact numbers
Test name Executions per second
✓ arrowfn 156,195,072 Ops/sec
unnamedexpressionfn 156,103,232 Ops/sec
declarationfn 156,096,784 Ops/sec
expressionfn 151,894,000 Ops/sec

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