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Run results for:
Performance Test: substring vs substr vs slice
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=504462" 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/121.0.0.0 Safari/537.36
Browser:
Chrome 121
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
substr
9.3M/s
slice
9.3M/s
substring
9.0M/s
View exact numbers
Test name
Executions per second
✓
substr
9,296,949 Ops/sec
slice
9,266,527 Ops/sec
substring
9,048,552 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);