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

Run details:

User agent: Mozilla/5.0 (Linux; Android 5.1.1; SM-P600) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.114 Safari/537.36

Browser: Chrome 94

Operating system: Android 5.1.1

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
var	853121.9 Ops/sec
let	1362708.0 Ops/sec
const	1684158.6 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()

;