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Run results for:
slice vs substr vs substring to truncate string
Compares slice, substr and substring to each other when the start index is 0
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<iframe src="https://measurethat.net/Embed?id=592043" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36
Browser:
Chrome 133
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
substr
171.9M/s
slice
166.1M/s
substring
92.3M/s
View exact numbers
Test name
Executions per second
✓
substr
171,870,928 Ops/sec
slice
166,101,792 Ops/sec
substring
92,257,944 Ops/sec
Script Preparation code:
var example = 'there is no spoon'
Tests:
slice
var result = example.slice(0,10)
substr
var result = example.substr(0,10)
substring
var result = example.substring(0,10)