Benchmark: For meseuerement

Script Preparation code:

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Tests:

for
for (var i = 0; i < data.length; i++) { data[i]; }
forEach
data.forEach(function(i) { data[i]; });
For In
for (var i in data) { data[i]; }
For of with continue
let criticalityCount = {}; for (let [, criticality] of data) { if (criticality === 0) { continue; } if (criticality in criticalityCount) { criticalityCount[criticality]++; } else { criticalityCount[criticality] = 1; } }
For of with filter before
let filteredData = data.filter(([, criticality]) => criticality !== 0); let criticalityCount = {}; for (let [, criticality] of filteredData) { if (criticality in criticalityCount) { criticalityCount[criticality]++; } else { criticalityCount[criticality] = 1; } }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
for
forEach
For In
For of with continue
For of with filter before

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) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Browser/OS: Chrome 130 on Windows

View result in a separate tab

For of with continue

2.0M/s

For of with filter before

1.3M/s

For In

188K/s

for

128K/s

forEach

39K/s

View exact numbers

Test name	Executions per second
✓ For of with continue	2,040,336 Ops/sec
For of with filter before	1,309,746 Ops/sec
For In	187,857 Ops/sec
for	127,807 Ops/sec
forEach	39,370 Ops/sec

For meseuerement (version: 3)

Comparing performance of: `for vs forEach vs For In vs For of with continue vs For of with filter before`

Created: one year ago by: Registered User

Go to the latest result

for

forEach

For In

For of with continue

For of with filter before

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

For meseuerement (version: 3)

Comparing performance of: for vs forEach vs For In vs For of with continue vs For of with filter before

Created: one year ago by: Registered User

Go to the latest result

for

forEach

For In

For of with continue

For of with filter before

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Related benchmarks

Comparing performance of: `for vs forEach vs For In vs For of with continue vs For of with filter before`