MeasureThat.net

Run results for: var vs let

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.79 Safari/537.36 Edge/14.14393
Chrome 51
Windows
Other
8 years ago
Test name Executions per second
let 212022.9 Ops/sec
var 28939314.0 Ops/sec
Tests:

  • let

    ​x
     
    for(let i = 0; i < 100; i++){
    ​
    }

  • var

     
    for(var i = 0; i < 100; i++){
    ​
    }