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Run results for:
String indexOf vs startsWith/endsWith
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Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36
Browser:
Chrome 137
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
indexOf
139058608.0 Ops/sec
startsWith
117532064.0 Ops/sec
endsWith
119420000.0 Ops/sec
Script Preparation code:
var str = "penpineappleapplepen"
Tests:
indexOf
str.indexOf('pen') !== 1
startsWith
str.startsWith('pen')
endsWith
str.endsWith('pen')