Run results for: JS Arr Sums Bad For - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36

Browser: Chrome 119

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Map	87.8 Ops/sec
For Loop	12.2 Ops/sec
For Reach	205.5 Ops/sec
For Of	162.0 Ops/sec
Reduce	154.3 Ops/sec

Script Preparation code:

var arr = new Array(1000000).fill(0)

Tests:

Map
let sum = 0; arr.map(n => sum += n);
For Loop
let sum = 0; for (let i = 0; i < arr.length; i++) { sum += arr[i]; }
For Reach
let sum = 0; arr.forEach(n => sum += n);
For Of
let sum = 0; for (const num of arr) { sum += num; }
Reduce
arr.reduce((acc, n) => acc + n)

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