Script Preparation code:
AخA
 
var numbers = [1, 12, 123, 1234, 12345, 123456, 1234567, 12345678, 123456789];
var strNumbers = ["1", "12", "123", "1234", "12345", "123456", "1234567", "12345678", "123456789"];
Tests:
  • parseInt a number

     
    numbers.forEach(n => parseInt(n, 10));
  • parseInt a string

     
    strNumbers.forEach(n => parseInt(n, 10));
  • toString a number

     
    numbers.forEach(n => n.toString());
  • toString a string

     
    strNumbers.forEach(n => n.toString());
  • string literal a number

     
    numbers.forEach(n => `${n}`);
  • string literal a string

     
    strNumbers.forEach(n => `${n}`);
  • add empty string to number

     
    numbers.forEach(n => n + "");
  • add empty string to string

     
    strNumbers.forEach(n => n + "");
  • String constructor on a number

     
    numbers.forEach(n => String(n));
  • String constructor on a string

     
    strNumbers.forEach(n => String(n));
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

  • Test case name Result
    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
    String constructor on a number
    String constructor on a string

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 21 days ago)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36
Chrome 133 on Mac OS X 10.15.7
View result in a separate tab
Test name Executions per second
parseInt a number 109923440.0 Ops/sec
parseInt a string 11348308.0 Ops/sec
toString a number 26995610.0 Ops/sec
toString a string 25914776.0 Ops/sec
string literal a number 109509896.0 Ops/sec
string literal a string 45735916.0 Ops/sec
add empty string to number 109673256.0 Ops/sec
add empty string to string 95952936.0 Ops/sec
String constructor on a number 20568506.0 Ops/sec
String constructor on a string 32321870.0 Ops/sec