Run results for: Bind vs closure declaration

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:122.0) Gecko/20100101 Firefox/122.0

Browser: Firefox 122

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

use closure()

586.2M/s

create closure

586.1M/s

create bind

35.6M/s

use bind

18.5M/s

View exact numbers

Test name	Executions per second
✓ use closure()	586,242,432 Ops/sec
create closure	586,109,952 Ops/sec
create bind	35,646,400 Ops/sec
use bind	18,528,092 Ops/sec

Script Preparation code:

function toBind(param) {
  return param * 2;
}
function bind() {
  var rnd = Math.random();
  return toBind.bind(null, rnd);
}

function closure() {
  var rnd = Math.random();
  return inner;
  function inner() {
    return rnd * 2;
  }
}

Tests:

create bind
var fnc = bind();
create closure
var fnc = closure()
use bind
var fnc = bind(); var out = fnc();
use closure()
var fnc = closure(); var out = fnc();