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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=589853" 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/133.0.0.0 Safari/537.36
Browser:
Chrome 133
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
substring
120.0M/s
slice
83.0M/s
substr
56.2M/s
View exact numbers
Test name
Executions per second
✓
substring
120,019,952 Ops/sec
slice
83,036,232 Ops/sec
substr
56,180,684 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)