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

Run details:

User agent: Mozilla/5.0 (X11; CrOS x86_64 15054.18.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/106.0.0.0 Safari/537.36

Browser: Chrome 106

Operating system: Chrome OS 15054.18.0

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
var	19350096.0 Ops/sec
let	14979049.0 Ops/sec
const	2759822.2 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()

;