Run results for: For meseuerement

Run details:

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: Chrome 130

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
for	677276.1 Ops/sec
forEach	257628.6 Ops/sec
For In	1020304.2 Ops/sec
For of	5710363.0 Ops/sec

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; } }

Run results for: For meseuerement

for

forEach

For In

For of with continue

For of with filter before