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Run results for:
string indexer or charAt
Is array access to a string faster than calling charAt?
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Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36
Browser:
Chrome 147
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 months ago
Test name
Executions per second
array access
647191.0 Ops/sec
charAt
650536.2 Ops/sec
Script Preparation code:
s = 'abcdefghijklmnopqrstuvwxzy'
Tests:
array access
r = '' for (let i = 0, l = s.length; i < l; ++i) { r += s[i] }
charAt
r = '' for (let i = 0, l = s.length; i < l; ++i) { r += s.charAt(i) }