Run results for: Performance Test: substring vs slice

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.2.1 Safari/605.1.15

Browser: Safari 17

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

slice

21.1M/s

substring

11.9M/s

View exact numbers

Test name	Executions per second
✓ slice	21,080,266 Ops/sec
substring	11,911,243 Ops/sec

Script Preparation code:

var string = "testing testing 1 2 3.mp3"

Tests: