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Run results for:
slice vs substr vs substring (with no end index) 3
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=566539" 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/131.0.0.0 Safari/537.36
Browser:
Chrome 131
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
substr
19.1M/s
slice
19.0M/s
substring
18.4M/s
View exact numbers
Test name
Executions per second
✓
substr
19,094,284 Ops/sec
slice
19,023,190 Ops/sec
substring
18,419,798 Ops/sec
Script Preparation code:
var example = 'there is no spoon'.repeat(100)
Tests:
slice
var result = example.slice(1)
substr
var result = example.substr(1)
substring
var result = example.substring(1)