Run results for: foreach filter vs foreach conditional

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36

Browser: Chrome 91

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
forEach	547.4 Ops/sec
filter	388.9 Ops/sec

Script Preparation code:

var arr = [];
for (var i = 0; i < 12345; i++) {
  arr[i] = i;
}

var arr2 = [];
for (var i = 0; i < 12345; i++) {
  arr2[i] = i;
}


var testObj;

Tests:

forEach
arr.forEach( (flowConnectionReference) => { if (flowConnectionReference !== 1) { testObj = { "test": flowConnectionReference } } });
filter
arr2.filter((flowConnectionReference) => flowConnectionReference !== 1) .forEach(flowConnectionReference => { testObj = {"test": flowConnectionReference}});

Run results for: foreach filter vs foreach conditional

forEach

filter