Run results for: Memory Usage

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36

Browser: Chrome 136

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

undefined

131.9M/s

delete

81.6M/s

View exact numbers

Test name	Executions per second
✓ undefined	131,898,568 Ops/sec
delete	81,634,360 Ops/sec

Script Preparation code:

window.x = { a: 1 };

Tests: