Run results for: Object.assign vs spread operator large objects

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:94.0) Gecko/20100101 Firefox/94.0

Browser: Firefox 94

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Object.assign	959149.0 Ops/sec
spread operator	676178.4 Ops/sec

Tests:

Object.assign
var params = { b:"hello", c: true, d:7, e: 'e', f: 'f', g: 'g', h: 'h', i: 1, j: 2, k: 3, l: 7, m: 7, n: 3, o: 'o', p: "azazazazazazazazaz", q: 'qqqqqqq' }; var other = Object.assign({ a: 2, aa: 2, aaa: 3, aaaa: 'aaaa' }, params);
spread operator
var params = { b:"hello", c: true, d:7, e: 'e', f: 'f', g: 'g', h: 'h', i: 1, j: 2, k: 3, l: 7, m: 7, n: 3, o: 'o', p: "azazazazazazazazaz", q: 'qqqqqqq' }; var other = { a: 2, aa: 2, aaa: 3, aaaa: 'aaaa', ...params };