Run results for: Add 10 elements to an Array where each element includes one array

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/106.0.0.0 Safari/537.36

Browser: Chrome 106

Operating system: Mac OS X 10.14.3

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
1️⃣ Array.from()	501908.6 Ops/sec
2️⃣ Array() and fill()	1899939.9 Ops/sec
3️⃣ for loop	11281262.0 Ops/sec
4️⃣ while loop	11851864.0 Ops/sec
5️⃣ do while loop	11128064.0 Ops/sec
6️⃣ for of loop	2606430.5 Ops/sec
7️⃣ ... spread operator, Array() and map()	2181438.2 Ops/sec

Tests:

1️⃣ Array.from()
const arr = Array.from({ length: 10 }, () => []);
2️⃣ Array() and fill()
const arr2 = Array(10).fill([]);
3️⃣ for loop
const arr3 = []; for (let i = 0; i < 10; i += 1) { arr3.push([]); }
4️⃣ while loop
const arr4 = []; let i = 0; while (i < 10) { arr4.push([]); i += 1; }
5️⃣ do while loop
const arr5 = []; let j = 0; do { arr5.push([]); j += 1; } while (j < 10);
6️⃣ for of loop
const arr6 = []; for (const _ of Array(10)) { arr6.push([]); }
7️⃣ ... spread operator, Array() and map()
const arr7 = [...Array(10)].map(() => []);