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Run results for:
const vs let vs var
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Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=533232" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0
Browser:
Firefox 128
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
2 years ago
Benchmark engine:
Benchmark.js
const
35.7M/s
var
35.0M/s
let
35.0M/s
View exact numbers
Test name
Executions per second
✓
const
35,661,392 Ops/sec
var
35,025,364 Ops/sec
let
34,968,996 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()