MeasureThat.net

Run results for: foreach vs for vs for (length var) vs for..in vs for..of

Compare loop performance

Go to the benchmark
Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36
Chrome 87
Mac OS X 10.14.6
Desktop
3 years ago
Test name Executions per second
forEach 1873754.2 Ops/sec
for 8469.6 Ops/sec
for with length var 16975.9 Ops/sec
for..in 11813.3 Ops/sec
for..of 295175.9 Ops/sec
Script Preparation code:
Tests:

  • forEach

  • for

  • for with length var

  • for..in

  • for..of

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