Code works on my laptop but not in this simulator

JavaScript
#1

Tell us what’s happening:

Your code so far


// Setup
var contacts = [
  {
      "firstName": "Akira",
      "lastName": "Laine",
      "number": "0543236543",
      "likes": ["Pizza", "Coding", "Brownie Points"]
  },
  {
      "firstName": "Harry",
      "lastName": "Potter",
      "number": "0994372684",
      "likes": ["Hogwarts", "Magic", "Hagrid"]
  },
  {
      "firstName": "Sherlock",
      "lastName": "Holmes",
      "number": "0487345643",
      "likes": ["Intriguing Cases", "Violin"]
  },
  {
      "firstName": "Kristian",
      "lastName": "Vos",
      "number": "unknown",
      "likes": ["JavaScript", "Gaming", "Foxes"]
  }
];

function lookUpProfile(name, prop){
// Only change code below this line
// Find Object indexes
var len = (Object.keys(contacts).length - 1);
var index = len;
// rewrite into a recurssion
const findIndex = (index,name) => {
if (index <= 0  ) {
  return index = 0;
}
else {
  return (contacts[index]['firstName'] !== name) ? findIndex(index - 1, name) : index;
}  
}
//Call to find index of object in question
const id = findIndex(index, name);
// Test for prop validation
const isValidProp = () => {
return contacts[id].hasOwnProperty(prop) ? true : false;
}
// Test for name validation
const isValidName = () => {
return (contacts[id]['firstName'] === name) ? true : false;
}
// Display Object after validation
const showObject = (id) => {
return (isValidName() && isValidProp()) && console.log(contacts[id][prop]);
}
// Switch
switch(true){
case (isValidProp() && isValidName()): 
       return console.log(contacts[id][prop]);
  break;
case (!isValidProp() && !isValidName()):
        console.log(`"No such property", "No such contact"`);
  break;
case (!isValidProp()): 
       console.log("No such property");
  break;
case (!isValidName()):
       console.log("No such contact")  
  break;
default:
       console.log("There is an error");
  break;
}


// Only change code above this line
}
lookUpProfile("Akira", "address"
);

Your browser information:

User Agent is: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.67 Safari/537.36.

Challenge: Profile Lookup

Link to the challenge:

#2

You are logging your result to the console instead of returning the required string

As a side note, I would recommend trying to write a far simpler solution.

#3