Run results for: defineproperty vs direct assignment_rao2

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.75 Safari/537.36

Browser: Chrome 86

Operating system: Linux

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
a	25.9 Ops/sec
b	4.4 Ops/sec

Tests:

a
var target = {}; var key = 'something'; for (var i=0; i<1000; i++) { Object.defineProperty(target, key+i, { value(){ console.log(key+i) } }); } for (var i=0; i<1000; i++) { target[key+i]() }
b
var target = {}; var key = 'something'; for (var i=0; i<1000; i++) { Object.assign(target,{ [key+i](){ console.log(key+i) } } ) } for (var i=0; i<1000; i++) { target[key+i]() }