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Run results for:
substr vs substring (simple)
Compares slice, substr and substring to each other when there is only a start index
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<iframe src="https://measurethat.net/Embed?id=513311" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Browser:
Chrome 124
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
substr
32.0M/s
substring
31.9M/s
View exact numbers
Test name
Executions per second
✓
substr
31,955,842 Ops/sec
substring
31,861,638 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(1, 10)
substring
var result = example.substring(1, 1 + 9)