Toggle navigation
MeasureThat
.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Run results for:
let vs const in tight loops
Checks whether using const helps for performance or not compared to using let everywhere
Go to the benchmark
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=587915" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36
Browser:
Chrome 133
Operating system:
Linux
Device Platform:
Desktop
Date tested:
one year ago
let
26.6M/s
const
26.0M/s
View exact numbers
Test name
Executions per second
✓
let
26,580,406 Ops/sec
const
26,012,078 Ops/sec
Tests:
let
let x = 100; let y = x + 1; let z = x + y;
const
const x = 100; const y = x + 1; const z = x + y;