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Run results for:
Performance Test: substring vs substr vs slice
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<iframe src="https://measurethat.net/Embed?id=503442" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:122.0) Gecko/20100101 Firefox/122.0
Browser:
Firefox 122
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
2 years ago
substring
951.0M/s
slice
905.5M/s
substr
835.8M/s
View exact numbers
Test name
Executions per second
✓
substring
950,978,880 Ops/sec
slice
905,526,912 Ops/sec
substr
835,792,128 Ops/sec
Script Preparation code:
var string = "I am the god of hellfire, and I bring you..."
Tests:
slice
var substring = string.slice(17, 25);
substring
var substring = string.substring(17, 25);
substr
var substring = string.substr(17, 25);