Run results for: Bind vs closure declaration

Run details:

User agent: Mozilla/5.0 (Android 10; Mobile; rv:129.0) Gecko/129.0 Firefox/129.0

Browser: Firefox Mobile 129

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Benchmark engine: Benchmark.js

create closure

216.0M/s

use closure()

214.2M/s

create bind

11.8M/s

use bind

3.1M/s

View exact numbers

Test name	Executions per second
✓ create closure	215,995,008 Ops/sec
use closure()	214,168,608 Ops/sec
create bind	11,820,879 Ops/sec
use bind	3,127,404 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();