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Run results for:
startsWith vs indexOf vs endsWith
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=621279" 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/142.0.0.0 Safari/537.36
Browser:
Chrome 142
Operating system:
Windows
Device Platform:
Desktop
Date tested:
8 months ago
indexOf(end)
103.1M/s
indexOf(start)
98.5M/s
startsWith
46.3M/s
endsWith
37.4M/s
View exact numbers
Test name
Executions per second
✓
indexOf(end)
103,139,416 Ops/sec
indexOf(start)
98,543,680 Ops/sec
startsWith
46,263,836 Ops/sec
endsWith
37,383,256 Ops/sec
Script Preparation code:
var start = 'hello!'; var end = 'string!'; var string = start + ' im a ' + end;
Tests:
startsWith
string.startsWith(start);
indexOf(start)
string.indexOf(start) == 0;
endsWith
string.endsWith(end);
indexOf(end)
string.indexOf(end) == (string.length - end.length);