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

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:109.0) Gecko/20100101 Firefox/111.0

Browser: Firefox 111

Operating system: Windows 7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
var	14098025.0 Ops/sec
let	13983245.0 Ops/sec
const	14159822.0 Ops/sec

Tests:

var
var g = { e: [] } g.o = function(x) { g.e.push(...[1,2,3]) } g.o()
let
var g = { e: [] } g.o = function(x) { g.e.push(...[1,2,3]) } g.o()
const
const g = { e: [] } g.o = function(x) { g.e.push(...[1,2,3]) } g.o()

;