Run results for: Slice vs Map (2222211111)

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:138.0) Gecko/20100101 Firefox/138.0

Browser: Firefox 138

Operating system: Ubuntu

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

map

1.0M/s

slice

630K/s

View exact numbers

Test name	Executions per second
✓ map	1,019,192 Ops/sec
slice	629,898 Ops/sec

Tests:

slice
var item = 10; var index = 50; var array = Array.from({length: 100}); var array2 = [...array.slice(0, index), item, ...array.slice(index + 1)];
map
var item = 10; var index = 50; var array = Array.from({length: 100}).map((val, i) => i === index ? item : val);