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Run results for:
slice 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=612624" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0
Browser:
Firefox 140
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
slice
296.7M/s
substring
97.0M/s
View exact numbers
Test name
Executions per second
✓
slice
296,679,136 Ops/sec
substring
97,040,160 Ops/sec
Script Preparation code:
var example = 'there is no spoon.'
Tests:
slice
var result = example.slice(0, -1)
substring
var result = example.substring(0, example.lastIndexOf("."))