Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36
Chrome 90
Mac OS X 10.15.7
Desktop
3 years ago
Test name Executions per second
parseInt a number 734772.8 Ops/sec
parseInt a string 598168.6 Ops/sec
toString a number 6652488.0 Ops/sec
toString a string 8001120.0 Ops/sec
string literal a number 13464330.0 Ops/sec
string literal a string 9221678.0 Ops/sec
add empty string to number 13477650.0 Ops/sec
add empty string to string 12644340.0 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