MeasureThat.net

Run results for: const vs let vs var (fixed) 234

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
Chrome 123
Windows
Desktop
9 months ago
Test name Executions per second
var 49253180.0 Ops/sec
let 50422052.0 Ops/sec
const 47339676.0 Ops/sec
Tests:

  • var

    AخA
     
    var g = [];
    var f = function(x) { g.push(1,2,3) };
    f()

  • let

     
    let g = [];
    let f = function(x) { g.push(1,2,3) };
    f()

  • const

     
    const g = [];
    const f = function(x) { g.push(1,2,3) };
    f()