Run results for: IndexOf vs Includes in string 24

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser: Chrome 121

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

index

14.6M/s

charAt

13.6M/s

View exact numbers

Test name	Executions per second
✓ index	14,600,025 Ops/sec
charAt	13,599,884 Ops/sec

Script Preparation code:

var string = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat'

Tests:

index
string[string.length - 1] === 't'
charAt
string.charAt(string.length - 1) === 't'

Run results for: IndexOf vs Includes in string 24

Banana

index

charAt