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Run results for:
slice vs substr vs substring vs add
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=565931" 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/130.0.0.0 Safari/537.36
Browser:
Chrome 130
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
slice
13080372.0 Ops/sec
substr
13108489.0 Ops/sec
substring
13034199.0 Ops/sec
add
4436429.5 Ops/sec
Script Preparation code:
var example = 'there is no spoon'
Tests:
slice
var result = example.slice(0, 3)
substr
var result = example.substr(0, 3)
substring
var result = example.substring(0, 3)
add
var result = example[0] + example[1] + example[2]