Run results for: Array.from vs Array.fill (zeroes)

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Linux

Device Platform: Desktop

Date tested: 2 months ago

Test name	Executions per second
from	67.7 Ops/sec
fill	1172.2 Ops/sec

Tests:

const n = 10000, length = 50
const result = []
for (let i = 0; i < n; ++i) {
    result.push(Array.from({length}, () => 0))
}

AخA
 
const n = 10000, length = 50const result = []for (let i = 0; i < n; ++i) {    result.push(Array.from({length}, () => 0))}

const n = 10000, length = 50
const result = []
for (let i = 0; i < n; ++i) {
    result.push(Array(length).fill(0))
}

 
const n = 10000, length = 50const result = []for (let i = 0; i < n; ++i) {    result.push(Array(length).fill(0))}