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

Run details:

User agent: Mozilla/5.0 (iPad; CPU OS 10_3_3 like Mac OS X) AppleWebKit/603.3.8 (KHTML, like Gecko) Version/10.0 Mobile/14G60 Safari/602.1

Browser: Mobile Safari 10

Operating system: iOS 10.3.3

Device Platform: Tablet

Date tested: one year ago

Test name	Executions per second
var	690594.8 Ops/sec
let	670021.3 Ops/sec
const	672166.6 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()

;