Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Chrome 131
Windows
Desktop
4 months ago
Test name Executions per second
HasOwnProperty 64959432.0 Ops/sec
Includes 15304830.0 Ops/sec
Script Preparation code:
AخA
 
var props = {a:1,b:1,c:1,d:1,e:1,f:1,g:1,h:1,i:1,j:1,k:1,l:1,m:1,n:1,o:1,p:1,q:1,r:1,s:1,t:1,u:1,v:1,w:1,x:1,y:1,z:1};
Tests:
  • HasOwnProperty

     
    props.hasOwnProperty('z')
  • Includes

     
    Object.keys(props).includes('z')