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

Run details:

User agent: Mozilla/5.0 (Linux;) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.106 Safari/537.36 SRAF/4.0 OB/v1.1

Browser: Chrome 47

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
var	59733.2 Ops/sec
let	62894.3 Ops/sec
const	60219.5 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()

;