Run results for: Slice vs Map (2222211111)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:123.0) Gecko/20100101 Firefox/123.0

Browser: Firefox 123

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

map

1.2M/s

slice

1.1M/s

View exact numbers

Test name	Executions per second
✓ map	1,211,527 Ops/sec
slice	1,096,661 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);