Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.122 Safari/537.36
Chrome 80
Mac OS X 10.15.2
Desktop
4 years ago
Test name Executions per second
parseInt a number 844151.1 Ops/sec
parseInt a string 743542.9 Ops/sec
toString a number 7794240.0 Ops/sec
toString a string 9613717.0 Ops/sec
string literal a number 16187760.0 Ops/sec
string literal a string 11130940.0 Ops/sec
add empty string to number 16220650.0 Ops/sec
add empty string to string 15114330.0 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