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Run results for:
javascript var vs let vs const
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=524550" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 YaBrowser/24.4.0.0 Safari/537.36
Browser:
Yandex Browser 24
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
Benchmark engine:
Benchmark.js
var
105K/s
let
103K/s
const
102K/s
View exact numbers
Test name
Executions per second
✓
var
104,804 Ops/sec
let
102,573 Ops/sec
const
101,667 Ops/sec
Tests:
var
(function () { var arr = [55, 21, 807, 41, 56, 66, 202]; var num = 4; var str = "Lorem ipsum"; var bool = true; var nil = null; console.log(arr, num, str, bool, nil); })();
let
(function () { let arr = [55, 21, 807, 41, 56, 66, 202]; let num = 4; let str = "Lorem ipsum"; let bool = true; let nil = null; console.log(arr, num, str, bool, nil); })();
const
(function () { const arr = [55, 21, 807, 41, 56, 66, 202]; const num = 4; const str = "Lorem ipsum"; const bool = true; const nil = null; console.log(arr, num, str, bool, nil); })();