Run results for: Array vs Regex Titlize

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0

Browser: Firefox 75

Operating system: Linux

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Split String	1967894.0 Ops/sec
Regex	1719464.0 Ops/sec

Tests:

Split String
'Mary has a little lamb'.split(' ').map(w => `${w.charAt(0).toUpperCase()}${w.slice(1)}`).join(' ')
Regex
'Mary has a little lamb'.replace(/^(.)|\s+(.)/g, c => c.toUpperCase())