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Run results for:
slice vs substr vs substring (with no end index)
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=613386" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.5 Safari/605.1.15
Browser:
Safari 18
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
slice
341.2M/s
substring
95.3M/s
substr
42.6M/s
View exact numbers
Test name
Executions per second
✓
slice
341,236,800 Ops/sec
substring
95,284,032 Ops/sec
substr
42,576,460 Ops/sec
Script Preparation code:
var example = 'there is no spoon'
Tests:
slice
var result = example.slice(10)
substr
var result = example.substr(10)
substring
var result = example.substring(10)