JSProfile Lookup created by saifsultanc - https://repl.it/@saifsultanc/JSProfile-Lookup

main.js

//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){

  // loop over all contacts 
  for (var i=0; i<contacts.length; i++) {

    // return the hit, or no property for this contact
    if (contacts[i]["firstName"] == name) {
      return (contacts[i][prop]) || "No such property";
    }
  }

  // if no contact found
  return "No such contact";
}

// Change these values to test your function
lookUpProfile("Akira", "likes");