Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.128 Safari/537.36
Chrome 89
Mac OS X 10.15.7
Desktop
3 years ago
Test name Executions per second
parseInt a number 784272.7 Ops/sec
parseInt a string 658926.6 Ops/sec
toString a number 6722219.0 Ops/sec
toString a string 8456057.0 Ops/sec
string literal a number 13761530.0 Ops/sec
string literal a string 9742653.0 Ops/sec
add empty string to number 13879870.0 Ops/sec
add empty string to string 12972850.0 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