Run results for: inheritance new vs Object.create

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0

Browser: Firefox 68

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
new operator	15576.5 Ops/sec
Object.create method	15300.6 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);