Edit in JSFiddle

 var obj = {
   items:[
     {
       name:'jason',
       id:0
     },
     {
       name:'trey',
       id:1
     },
     {
       name:'denzel',
       id:2
     }
   ],
   remove: function(id) { //items/2
  
  console.log("you clicked on", this.items[id]);
  

    var removeId = false;
    for(var i = 0; i < this.items.length; i++) {
    
      if(id == this.items[i].id) { //if 2 === items[2].id
        removeId = i;
        console.log("removeId is", removeId);
      }
    }
    if(removeId !== false) {
      this.items.splice(removeId, 1);
    }
    console.log("after deletion, the items are:", this.items);
    
   return id;
    
    
  }
 }
 console.log(obj.remove(1),'removed trey')