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Run results for:
var vs const vs let
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=503303" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36
Browser:
Chrome 121
Operating system:
Linux
Device Platform:
Desktop
Date tested:
2 years ago
const
4.7M/s
let
4.7M/s
var
4.2M/s
View exact numbers
Test name
Executions per second
✓
const
4,711,298 Ops/sec
let
4,658,598 Ops/sec
var
4,231,816 Ops/sec
Tests:
var
var g = 1; var c = g + 1;
let
let g = 1; let c = g + 1;
const
const g = 1; const c = g + 1;