Run results for: hasOwnProperty speed

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36

Browser: Chrome 63

Operating system: Windows

Device Platform: Other

Date tested: 2025 years ago

Test name	Executions per second
hasOwnProperty call	10583.6 Ops/sec
hasOwnProperty regular	17963.9 Ops/sec

Script Preparation code:

var obj = {}, id;
for (let i = 0; i <= 100; i++){
  obj['param'+i] = i;
}

let hasOwnProperty = Object.prototype.hasOwnProperty;

Tests: