Run results for: array map vs loop

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/113.0

Browser: Firefox 113

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

map

248/s

for loop

149/s

for of

132/s

View exact numbers

Tests:

for loop
const s = 100000; const test = []; for (i = 0; i < s; ++i) { test[i] = i; } const result = []; for(i=0; i<s; ++i){ const t = test[i]; result.push(t * t); }
for of
const s = 100000; const test = []; for (i = 0; i < s; ++i) { test[i] = i; } const result = []; for(const t of test){ result.push(t * t); }
map
const s = 100000; const test = []; for (i = 0; i < s; ++i) { test[i] = i; } const result = test.map(t => t * t);