Benchmark Run Result for: Array fill method vs for loop vs map

Array fill method vs for loop vs map

Array fill method vs for loop performance validation

Date tested: 3 years ago

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:99.0) Gecko/20100101 Firefox/99.0

Test name	Executions per second
For Loop fill	10.1 Ops/sec
Array Fill	9.8 Ops/sec
map	113.2 Ops/sec

Benchmark definition (click to collapse):

Tests:

For Loop fill
let arrayTest = new Array(10000000); for (let i = 0; i < arrayTest.length; i++){ arrayTest[i] = 0; }
Array Fill
let arrayTest = new Array(10000000).fill(0);
map
Array(10000000).map((_, i) => i);

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