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Run results for:
string split vs indexOf iteration
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Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36
Browser:
Chrome 138
Operating system:
Linux
Device Platform:
Desktop
Date tested:
10 months ago
Test name
Executions per second
split
24.7 Ops/sec
indexOf walk
145.7 Ops/sec
Script Preparation code:
var str = "123 ".repeat(1000000)
Tests:
split
var split = str.split(" ") var count = 0; for (const s of split) count++;
indexOf walk
var count = 0; var i = 0; while (i >= 0) { count++; i = str.indexOf(" ", i + 1); }