Run results for: Object.assign vs spread operator GOOD

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.100 Safari/537.36

Browser: Chrome 75

Operating system: Windows 7

Device Platform: Desktop

Date tested: 4 years ago

Tests:

Object.assign
var params = { b:"hello", c: true, d:7 }; var other = Object.assign({}, { a: 2 }, params);
spread operator
var params = { b:"hello", c: true, d:7 }; var other = { a: 2, ...params };
Manual Update
var params = { b:"hello", c: true, d:7 }; params.a = 2; params.b = "NEW TEXT";