Run results for: substr vs substring (with end index)

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36

Browser: Chrome 119

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

substring

16.5M/s

substr

16.3M/s

View exact numbers

Test name	Executions per second
✓ substring	16,472,260 Ops/sec
substr	16,327,437 Ops/sec

Script Preparation code:

var example = 'there is no spoon there is no spoon there is no spoon there is no spoon there is no spoon there is no spoon there is no spoon there is no spoon there is no spoon there is no spoon there is no spoon there is no spoon there is no spoon there is no spoon there is no spoon there is no spoon '

Tests:

substr
var result = example.substr(75, 10)
substring
var result = example.substring(75, 85)

Run results for: substr vs substring (with end index)

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

substr

substring