Run results for: assign vs spread vs djuka vs marac

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36

Browser: Chrome 70

Operating system: Linux

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
assign	6854443.0 Ops/sec
spread	40570228.0 Ops/sec

Tests:

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