Run results for: String split separator vs regex

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:133.0) Gecko/20100101 Firefox/133.0

Browser: Firefox 133

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

split separator

4.5M/s

split regex

2.5M/s

View exact numbers

Test name	Executions per second
✓ split separator	4,479,038 Ops/sec
split regex	2,484,541 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/)