Run results for: Bind vs closure declaration

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:127.0) Gecko/20100101 Firefox/127.0

Browser: Firefox 127

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

create closure

764.9M/s

use closure()

685.9M/s

create bind

25.3M/s

use bind

22.4M/s

View exact numbers

Test name	Executions per second
✓ create closure	764,884,928 Ops/sec
use closure()	685,860,032 Ops/sec
create bind	25,260,626 Ops/sec
use bind	22,402,090 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();