Run results for: Loop Testing

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36

Browser: Chrome 69

Operating system: Windows

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
Reduce arrow	648974.9 Ops/sec
ForLoop	833497.7 Ops/sec
ForEach	570398.1 Ops/sec
Reduce	501120.4 Ops/sec

Script Preparation code:

// Create an array of 1000 random intergers between 1 and 10000
var arrRandom = [];
for(var intCtr=0; intCtr<1000; intCtr++) {
  arrRandom.push(Math.floor(Math.random() * Math.floor(10000)));
}

function doRedeuce(pArray) {
	return pArray.reduce(function(accum, curr) { return accum += curr; });
}
function doRedeuceArrowFunc(pArray) {
	return pArray.reduce((accum, curr) => accum += curr);
}
function doLoop(pArray) {
	var accum = 0;
    const l = pArray.length
	for(var intCtr=0; intCtr<l; intCtr++) {
		accum += pArray[intCtr];
	}
	return accum;
}
function doForEach(pArray) {
	var accum = 0;
	pArray.forEach((item) => {
		accum += item;
	});
}

Tests:

Reduce arrow
var reduceResult=0; redeuceResult = doRedeuceArrowFunc(arrRandom);
ForLoop
var loopResult=0; loopResult = doLoop(arrRandom);
ForEach
var forEachResult=0 forEachResult = doForEach(arrRandom)
Reduce
var reduceResult=0; redeuceResult = doRedeuce(arrRandom);

Run results for: Loop Testing

Reduce arrow

ForLoop

ForEach

Reduce