Run results for: Time Cost for different calling

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:135.0) Gecko/20100101 Firefox/135.0

Browser: Firefox 135

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

test3

11.3M/s

test1

8.5M/s

test2

50K/s

View exact numbers

Test name	Executions per second
✓ test3	11,296,575 Ops/sec
test1	8,455,781 Ops/sec
test2	49,669 Ops/sec

HTML Preparation code:

<script>
    function fn1() {

        const a = new Object();
        a.val1 = 1;
        a.val2 = 2;
        a.f0 = () => a.val1 + a.val2;
        return a;
    }

    function fn2() {

        const a = new Function();
        a.val1 = 1;
        a.val2 = 2;
        a.f0 = () => a.val1 + a.val2;
        return a;
    }

    const f0 = function() {
        console.log(this.val1 + this.val2);
    };


    function fn3() {

        const a = {};
        let f1 = f0.bind(a);
        a.val1 = 1;
        a.val2 = 2;
        return f1;
    }
    class BB {
        get name() {
            return 'hi'
        }
    }
    const BBp = BB.prototype;

    BBp.val1 = 1;
    BBp.val2 = 2;

    function fn4() {

        const a = () => {};
        Object.setPrototypeOf(a, BBp);

        return a;
    }

    function fn5() {

        const a = () => {};
        a.prototype = BBp;

        return a;
    }
    let m = new Float64Array(256);

    function fn6() {
        const a = {};
        a.b = m.subarray(0, 64);
        return a;
    }
  
    function fn7() {
        const a = {};
        Object.defineProperty(a, 'b', {get: ()=> m.subarray(0, 64)})
        return a;
    }
</script>

Tests:

test1
fn1();fn1();fn1();fn1();fn1();fn1();fn1();fn1();fn1();fn1();
test2
fn2();fn2();fn2();fn2();fn2();fn2();fn2();fn2();fn2();fn2();
test3
fn3();fn3();fn3();fn3();fn3();fn3();fn3();fn3();fn3();fn3();
test4
fn4();fn4();fn4();fn4();fn4();fn4();fn4();fn4();fn4();fn4();
test5
fn5();fn5();fn5();fn5();fn5();fn5();fn5();fn5();fn5();fn5();
test6
fn6();fn6();fn6();fn6();fn6();fn6();fn6();fn6();fn6();fn6();
test7
fn7();fn7();fn7();fn7();fn7();fn7();fn7();fn7();fn7();fn7();

Run results for: Time Cost for different calling

test1

test2

test3

test4

test5

test6

test7