Run details:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:135.0) Gecko/20100101 Firefox/135.0
Firefox 135
Ubuntu
Desktop
one month ago
Test name Executions per second
new TypedArray 594.3 Ops/sec
new Array 248.5 Ops/sec
Direct Array 240.9 Ops/sec
Tests:
  • new TypedArray

    x
     
    let arr = new Float32Array(1000000);
    arr[0] = Math.random();
    var sum = 0;
    for (let i = 0; i < 1000000; i++) {
        sum+= arr[i];
    }
  • new Array

     
    let arr = new Array(1000000);
    arr[0] = Math.random();
    var sum = 0;
    for (let i = 0; i < 1000000; i++) {
        sum+= arr[i];
    }
  • Direct Array

     
    let arr = [];
    arr[0] = Math.random();
    var sum = 0;
    for (let i = 0; i < 1000000; i++) {
       sum+= arr[i];
    }