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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=589919" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:135.0) Gecko/20100101 Firefox/135.0
Browser:
Firefox 135
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
Regex
184503.2 Ops/sec
Split and Join
1525755.0 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';