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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=565223" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:132.0) Gecko/20100101 Firefox/132.0
Browser:
Firefox 132
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
one year ago
substr
1636.7M/s
slice
1630.0M/s
substring
1628.6M/s
View exact numbers
Test name
Executions per second
✓
substr
1,636,653,824 Ops/sec
slice
1,629,951,232 Ops/sec
substring
1,628,649,728 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)