Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.77 Safari/537.36
Chrome 91
Windows
Desktop
3 years ago
Test name Executions per second
parseInt a number 1222338.0 Ops/sec
parseInt a string 1023039.0 Ops/sec
toString a number 10361180.0 Ops/sec
toString a string 12714540.0 Ops/sec
string literal a number 19177470.0 Ops/sec
string literal a string 13334290.0 Ops/sec
add empty string to number 19228810.0 Ops/sec
add empty string to string 17740550.0 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