Run results for: Object Assign, Object Spread, new Instance

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.109 Safari/537.36

Browser: Chrome 72

Operating system: Mac OS X 10.14.2

Device Platform: Desktop

Date tested: 5 years ago

Tests:

spread
var params = { b:"hello", c: true, d:7 }; var other = { a: 2, ...params };
assign
var params = { b:"hello", c: true, d:7 }; var other = Object.assign({a: 2}, params)
class
class T { constructor(a, b, c, d) { this.a = a this.b = b this.c = c this.d = d } } var a = new T(2, 'hello', true, 7)