Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 OPR/100.0.0.0 (Edition beta)
Opera 100
Windows
Desktop
one year ago
Test name Executions per second
Object.prototype.hasOwnProperty 2582931.2 Ops/sec
obj.hasOwnProperty 4840743.5 Ops/sec
Object.hasOwn 2655043.5 Ops/sec
Script Preparation code:
AخA
 
obj = {a: 42, b:66, c: 88}
Tests:
  • Object.prototype.hasOwnProperty

     
    Object.prototype.hasOwnProperty.call(obj, 'b');
  • obj.hasOwnProperty

     
    obj.hasOwnProperty('b');
  • Object.hasOwn

     
    Object.hasOwn(obj, 'b')