Run results for: func vs object vs symbol - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36

Browser: Chrome 107

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
func(diff)	1412302464.0 Ops/sec
func(eq)	1415972480.0 Ops/sec
obj(diff)	1413015296.0 Ops/sec
obj(eq)	1411407488.0 Ops/sec
symbol(diff)	3891802.5 Ops/sec
symbol(eq)	7789917.0 Ops/sec

Tests:

func(diff)
const a = function () { }; const b = function () { }; a === b;
x

const a = function () { };
const b = function () { };

a === b;

func(eq)

const a = function () { };
const b = a;

a === b;

 
const a = function () { };const b = a;​a === b;

obj(diff)
const a = {}; const b = {}; a === b;
const a = {};
const b = {};

a === b;
obj(eq)
const a = {}; const b = a; a === b;
const a = {};
const b = a;

a === b;
symbol(diff)
const a = Symbol("foo"); const b = Symbol("bar"); a === b;
const a = Symbol("foo");
const b = Symbol("bar");

a === b;
symbol(eq)
const a = Symbol("foo"); const b = a; a === b;
const a = Symbol("foo");
const b = a;

a === b;