Run results for: slice vs substr vs substring (with no end index)

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/126.0.6478.153 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 126

Operating system: iOS 17.5

Device Platform: Mobile

Date tested: 2 years ago

slice

22.3M/s

substring

20.0M/s

substr

16.1M/s

View exact numbers

Test name	Executions per second
✓ slice	22,322,028 Ops/sec
substring	20,039,854 Ops/sec
substr	16,114,288 Ops/sec

Script Preparation code:

var example = 'there is no spoon'

Tests:

slice
var result = example.slice(10)
substr
var result = example.substr(10)
substring
var result = example.substring(10)

Run results for: slice vs substr vs substring (with no end index)

Compares slice, substr and substring to each other when there is only a start index

slice

substr

substring