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Run results for:
slice vs substr vs substring (with no end index) big string
Compares slice, substr and substring to each other when there is only a start index
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=521788" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Browser:
Chrome 124
Operating system:
Linux
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
slice
8654750.0 Ops/sec
substr
7924827.5 Ops/sec
substring
9868322.0 Ops/sec
Script Preparation code:
var arr = []; for(let i = 0; i < 100_000; i++) { arr.push('aaaaaaa'); } var example = arr.join();
Tests:
slice
var result = example.slice(100_000)
substr
var result = example.substr(100_000)
substring
var result = example.substring(100_000)