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Run results for:
const vs let vs var
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=570965" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:132.0) Gecko/20100101 Firefox/132.0
Browser:
Firefox 132
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
one year ago
Benchmark engine:
Benchmark.js
var
38.3M/s
let
37.9M/s
const
37.8M/s
View exact numbers
Test name
Executions per second
✓
var
38,251,632 Ops/sec
let
37,907,688 Ops/sec
const
37,846,036 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()