Run results for: Object.assign vs spread operator123

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36

Browser: Chrome 70

Operating system: Mac OS X 10.14.1

Device Platform: Desktop

Date tested: 5 years ago

Tests:

Object.assign
var params = { b:"hello", c: true, d:7 }; var other = Object.assign({}, params); other.b = {a:1}
spread operator
var params = { b:"hello", c: true, d:7 }; var other = { ...params, b:{a:1}};
jQuery extend
var params = { b:"hello", c: true, d:7 }; var other = { ...params}; other.b = {a:1}