Run results for: Array item swapping, destructuring vs temp variable vs xor

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:128.0) Gecko/20100101 Firefox/128.0

Browser: Firefox 128

Operating system: Windows

Device Platform: Desktop

Date tested: 4 months ago

Test name	Executions per second
Length 10 temp swap	16143024.0 Ops/sec
Length 10 destructuring swap	14185961.0 Ops/sec
Length 100 temp swap	8796710.0 Ops/sec
Length 100 destructuring swap	3342906.0 Ops/sec
Length 1000 temp swap	550042.6 Ops/sec
Length 1000 destructuring swap	557293.6 Ops/sec
Length 10 xor swap	15054834.0 Ops/sec
Length 100 xor swap	8785480.0 Ops/sec
Length 1000 xor swap	547070.6 Ops/sec

Script Preparation code:

function tempSwap(array) {
    const length = array.length;
    const swap1 = Math.floor(Math.random() * length);
    const swap2 = Math.floor(Math.random() * length);
    const temp = array[swap1];

    array[swap1] = array[swap2];
    array[swap2] = array[temp];
}

function destructuringSwap(array) {
    const length = array.length;
    const swap1 = Math.floor(Math.random() * length);
    const swap2 = Math.floor(Math.random() * length);

    return [
        array[swap1],
        array[swap2]
    ] = [
        array[swap2],
        array[swap1]
    ];
}

function xorSwap(array) {
const length = array.length;
    const swap1 = Math.floor(Math.random() * length);
    const swap2 = Math.floor(Math.random() * length);
    array[swap1] ^= array[swap2];
    array[swap2] ^= array[swap1];
    array[swap1] ^= array[swap2];
}

Tests:

Length 10 temp swap
tempSwap(new Array(10));
Length 10 destructuring swap
destructuringSwap(new Array(10));
Length 100 temp swap
tempSwap(new Array(100));
Length 100 destructuring swap
destructuringSwap(new Array(100));
Length 1000 temp swap
tempSwap(new Array(1000));
Length 1000 destructuring swap
destructuringSwap(new Array(1000));
Length 10 xor swap
xorSwap(new Array(10));
Length 100 xor swap
xorSwap(new Array(100));
Length 1000 xor swap
xorSwap(new Array(1000));

Run results for: Array item swapping, destructuring vs temp variable vs xor

Array destructuring vs temp variable use in array item swapping

Length 10 temp swap

Length 10 destructuring swap

Length 100 temp swap

Length 100 destructuring swap

Length 1000 temp swap

Length 1000 destructuring swap

Length 10 xor swap

Length 100 xor swap

Length 1000 xor swap