Run results for: Bind vs closure declaration

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:132.0) Gecko/20100101 Firefox/132.0

Browser: Firefox 132

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

use closure()

887.4M/s

create closure

887.2M/s

create bind

179.4M/s

use bind

71.2M/s

View exact numbers

Test name	Executions per second
✓ use closure()	887,373,760 Ops/sec
create closure	887,198,528 Ops/sec
create bind	179,411,920 Ops/sec
use bind	71,153,784 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();