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Run results for:
const vs let vs var (fixed) 2
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=533313" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Safari/537.36
Browser:
Chrome 102
Operating system:
Linux
Device Platform:
Desktop
Date tested:
2 years ago
const
35.0M/s
var
34.9M/s
let
34.5M/s
View exact numbers
Test name
Executions per second
✓
const
35,003,536 Ops/sec
var
34,879,200 Ops/sec
let
34,532,268 Ops/sec
Tests:
var
var g = []; var f = function(x) { g.push(1,2,3) }; f()
let
let g = []; let f = function(x) { g.push(1,2,3) }; f()
const
const g = []; const f = function(x) { g.push(1,2,3) }; f()