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 (Macintosh; Intel Mac OS X 10_12) AppleWebKit/602.1.50 (KHTML, like Gecko) Version/10.0 Safari/602.1.50
Safari 10
Mac OS X 10.12
Other
8 years ago
Test name Executions per second
var 483.0 Ops/sec
let 486.8 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);