Run results for: Bind vs closure declaration

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:132.0) Gecko/20100101 Firefox/132.0

Browser: Firefox 132

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

create closure

370.5M/s

use closure()

363.8M/s

create bind

80.5M/s

use bind

60.2M/s

View exact numbers

Test name	Executions per second
✓ create closure	370,516,352 Ops/sec
use closure()	363,802,240 Ops/sec
create bind	80,522,800 Ops/sec
use bind	60,187,612 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();