MeasureThat.net

Run results for: Var vs Let

Just a simple test with var/let performance in for loop

Go to the benchmark
Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Chrome 131
Windows
Desktop
4 months ago
Test name Executions per second
var 236.1 Ops/sec
let 238.8 Ops/sec
Tests:

  • var

    AخA
     
    for(var i=1;i<=1000;i++) console.log(i);

  • let

     
    for(let i=1;i<=1000;i++) console.log(i);