Run results for: const vs var vs let - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0

Browser: Firefox 74

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
const num	1026390912.0 Ops/sec
const string	969582336.0 Ops/sec
var num	948845056.0 Ops/sec
var string	945385472.0 Ops/sec
let num	885888064.0 Ops/sec
let string	913601216.0 Ops/sec

Tests:

const num
const a = 12109203910293019120392342342;
const string
const a = "12109203910293019120392342342";
var num
var a = 12109203910293019120392342342;
var string
var a = "12109203910293019120392342342";
let num
let a = 12109203910293019120392342342;
let string
const a = "12109203910293019120392342342";

;