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Run results for:
Regex vs split/join
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=490344" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36
Browser:
Chrome 120
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
Regex
175235.6 Ops/sec
Split and Join
195037.0 Ops/sec
Script Preparation code:
var str = 'Abcd efghij klmnopqrstuv wxy Abcd efghij klmnopqrstuv wxy Abcd efghij klmnopqrstuv wxyAbcd efghij klmnopqrstuv wxy Abcd efghij klmnopqrstuv wxy Abcd efghij klmnopqrstuv wxy';
Tests:
Regex
str.replace(/./g, "$&Z");
Split and Join
str.split('').join('Z') + 'Z';