Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1.1 Safari/605.1.15
Safari 14
Mac OS X 10.15.7
Desktop
3 years ago
Test name Executions per second
parseInt a number 616143.6 Ops/sec
parseInt a string 536007.6 Ops/sec
toString a number 1773550.0 Ops/sec
toString a string 6234753.0 Ops/sec
string literal a number 2974339.0 Ops/sec
string literal a string 5850468.0 Ops/sec
add empty string to number 2360242.0 Ops/sec
add empty string to string 4722714.0 Ops/sec
Script Preparation code:
Tests:
  • parseInt a number

  • parseInt a string

  • toString a number

  • toString a string

  • string literal a number

  • string literal a string

  • add empty string to number

  • add empty string to string