Run results for: Object.assign vs Polyfill

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Polyfill

1.1M/s

Object.assign

857K/s

View exact numbers

Test name	Executions per second
✓ Polyfill	1,069,825 Ops/sec
Object.assign	856,798 Ops/sec

Tests:

Object.assign
Object.assign(document.createElement("div"), { className: "ActionBox" });
Polyfill
var div = document.createElement("div"); var options = {className: "ActionBox"}; for (const key in options) { div[key] = options[key]; }