Run results for: inheritance new vs Object.create

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4386.0 Safari/537.36 Edg/89.0.767.0

Browser: Chrome 89

Operating system: Linux

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
new operator	16657.8 Ops/sec
Object.create method	16601.8 Ops/sec

Tests:

new operator
function foo(){} foo.prototype = { foo_prop: "foo val" }; function bar(){} var proto = new foo; proto.bar_prop = "bar val"; bar.prototype = proto; var inst = new bar; console.log(inst.foo_prop); console.log(inst.bar_prop);
Object.create method
function foo(){} foo.prototype = { foo_prop: "foo val" }; function bar(){} var proto = Object.create( foo.prototype ); proto.bar_prop = "bar val"; bar.prototype = proto; var inst = new bar; console.log(inst.foo_prop); console.log(inst.bar_prop);