Run results for: Object.assign

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36

Browser: Chrome 68

Operating system: Mac OS X 10.13.6

Device Platform: Desktop

Date tested: 6 years ago

Test name	Executions per second
Regular assign	4688346.5 Ops/sec
Object.assign	1131737.4 Ops/sec

Script Preparation code:

var test = { 'a':1, 'b':2, 'c':3 };

Tests:

Regular assign
test['a'] = 4; test['d'] = 5; test['e'] = 6;
Object.assign
Object.assign(test, { 'a': 4 }); Object.assign(test, { 'd': 5 }); Object.assign(test, { 'e': 6 });