Run results for: String split separator vs regex

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; rv:109.0) Gecko/20100101 Firefox/117.0

Browser: Firefox 117

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
split separator	2337633.0 Ops/sec
split regex	779158.8 Ops/sec

HTML Preparation code:

<script>
  var str = 'charlie alpha foxtrot beta gamma delta omega iota kappa lambda mu nu xi omicron theta eta zeta',
      delim = ', ';
</script>

Tests:

split separator
str.split(' ')
split regex
str.split(/\s/)

Run results for: String split separator vs regex

split separator

split regex