Tests:
  • Number (with string integer)

    AخA
     
    var numberStrInt = Number(Math.floor(1000 * Math.random()).toString());
  • Unary + (with string integer)

     
    var unaryStrInt = +Math.floor(1000 * Math.random()).toString();
  • parseInt (with string integer)

     
    var parseStrInt = parseInt(Math.floor(1000 * Math.random()).toString(), 10);
  • Number (with string float)

     
    var numberStrFloat = Number((1000 * Math.random()).toString());
  • Unary + (with string float)

     
    var unaryStrFloat = +(1000 * Math.random()).toString();
  • parseInt (with string float)

     
    var parseStrFloat = parseInt((1000 * Math.random()).toString(), 10);
  • Number (with integer)

     
    var numberNumInt = Number(Math.floor(1000 * Math.random()));
  • Unary + (with integer)

     
    var unaryNumInt = +Math.floor(1000 * Math.random());
  • parseInt (with integer)

     
    var parseNumInt = parseInt(Math.floor(1000 * Math.random()), 10);
  • Number (with float)

     
    var numberNumFloat = Number(1000 * Math.random());
  • Unary + (with float)

     
    var unaryNumFloat = +(1000 * Math.random());
  • parseInt (with float)

     
    var parseNumFloat = parseInt((1000 * Math.random()), 10);
  • Number (with NaN)

     
    var numberNaN = Number("hello");
  • Unary + (with NaN)

     
    var unaryNaN = +("hello");
  • parseInt (with NaN)

     
    var parseNaN = parseInt("hello", 10);
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

  • Test case name Result
    Number (with string integer)
    Unary + (with string integer)
    parseInt (with string integer)
    Number (with string float)
    Unary + (with string float)
    parseInt (with string float)
    Number (with integer)
    Unary + (with integer)
    parseInt (with integer)
    Number (with float)
    Unary + (with float)
    parseInt (with float)
    Number (with NaN)
    Unary + (with NaN)
    parseInt (with NaN)

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 2 months ago)
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Chrome 131 on Linux
View result in a separate tab
Test name Executions per second
Number (with string integer) 3664614.0 Ops/sec
Unary + (with string integer) 5145685.0 Ops/sec
parseInt (with string integer) 3642761.5 Ops/sec
Number (with string float) 2474587.5 Ops/sec
Unary + (with string float) 3126319.0 Ops/sec
parseInt (with string float) 2549427.0 Ops/sec
Number (with integer) 3973418.8 Ops/sec
Unary + (with integer) 5831906.5 Ops/sec
parseInt (with integer) 3754734.8 Ops/sec
Number (with float) 5604960.5 Ops/sec
Unary + (with float) 10376790.0 Ops/sec
parseInt (with float) 5385101.5 Ops/sec
Number (with NaN) 11171146.0 Ops/sec
Unary + (with NaN) 115805384.0 Ops/sec
parseInt (with NaN) 11301867.0 Ops/sec