Run results for: hasOwnProperty speed

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:57.0) Gecko/20100101 Firefox/57.0

Browser: Firefox 57

Operating system: Windows

Device Platform: Other

Date tested: 2025 years ago

Test name	Executions per second
hasOwnProperty call	11655.4 Ops/sec
hasOwnProperty regular	328398.6 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: