Run results for: Vec2 clone vs copyFrom

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.182 Safari/537.36

Browser: Chrome 88

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
method call --> asign from properties of two anonymous object spreaded.	3606911.0 Ops/sec
method call --> second method call, asign from a single anonymouse array spread	3678417.0 Ops/sec

HTML Preparation code:

<script>
    class Vec {
        constructor(x, y, z, w) {
            this.x = x || 0;
            this.y = y || 0;
            if (z !== undefined) this.z = z;
            if (w !== undefined) this.w = w;
        }
    }


    class Vec2 extends Vec {
        constructor(x, y) {
            super(x, y);
        }
        static clone(a) {
            return new Vec2(...a.xy);
        }
        static fromCopy(a) {
            return new Vec2({
                ...a
            }.x, {
                ...a
            }.y);
        }
        get xy() {
            return [this.x, this.y];
        }
    }
</script>

Tests:

method call --> asign from properties of two anonymous object spreaded.
const a = new Vec2(0, 0); const b = Vec2.fromCopy(a);
method call --> second method call, asign from a single anonymouse array spread
const a = new Vec2(0, 0); const b = Vec2.clone(a);

Run results for: Vec2 clone vs copyFrom

Compare methods.

method call --> asign from properties of two anonymous object spreaded.

method call --> second method call, asign from a single anonymouse array spread