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Run results for:
Split join vs replace
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Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:125.0) Gecko/20100101 Firefox/125.0
Browser:
Firefox 125
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
split + join
1.4M/s
replace
1.1M/s
View exact numbers
Test name
Executions per second
✓
split + join
1,412,680 Ops/sec
replace
1,096,006 Ops/sec
Script Preparation code:
var example = 'AgreementChangeId'
Tests:
split + join
var result = example.split(/(?=[A-Z])/).join(' ');
replace
var result = example.replace(/([A-Z]+)/g, ' $1')