Run results for: Object.assign vs for...in...

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:128.0) Gecko/20100101 Goanna/6.8 PaleMoon/34.0.1

Browser: Pale Moon (Firefox Variant) 34

Operating system: Linux

Device Platform: Desktop

Date tested: 4 months ago

For in

27K/s

Object.assign

23K/s

View exact numbers

Test name	Executions per second
✓ For in	27,327 Ops/sec
Object.assign	23,215 Ops/sec

Script Preparation code:

var target = {};
var obj = {};

for (var i = 0; i < 100; i++) {
	obj['propp'+i] = ('this is a value ' + i);
}

Tests: