Benchmark: var-let-const4 - MeasureThat.net

Script Preparation code:

function withConst(a,b) {
	const x = a + '10';
  	return x + b;
}

function withLet(a,b) {
	let x = a + '10';
  	return x + b;
}

function withVar(a,b) {
	var x = a + '10';
  	return x + b;
}

Tests:

const
withConst(Math.random(), Math.random())
let
withLet(Math.random(), Math.random())
var
withVar(Math.random(), Math.random())

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
const
let
var

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36 OPR/113.0.0.0

Browser/OS: Opera 113 on Windows

View result in a separate tab

Test name	Executions per second
const	3729430.0 Ops/sec
let	3374979.0 Ops/sec
var	2928615.0 Ops/sec

Related benchmarks:

var vs. const vs. let
new const vs reassigning let vs reassigning var
Const vs VAR vs LET full
let vs const in tight loops

var-let-const4 (version: 0)

Comparing performance of: const vs let vs var

Created: one year ago by: Guest

Jump to the latest result

const

let

var

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A