Basic JavaScript: Profile Lookup We have an array of objects representing different people in our contacts lists. A lookUpProfile function that takes name and a property (prop) as arguments has been pre-written for you. The function should check if name is an actual contact's firstName and the given property (prop) is a property of that contact.…

basicJavaScriptLookUp.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 printValues(){
    for(var a = 0; a< contacts.length; a++){
        contacts[a].firstName;
    }   
}

function isNameExist(name ){
    for(var a = 0; a< contacts.length; a++){
        if (contacts[a].firstName == name)
            return true
    }
    return false;
}

function isPropertyExist(prop){
    for(var a = 0; a< contacts.length; a++){
        if (contacts[a].hasOwnProperty (prop))
            return true
    }
    return false;
}

function lookUpProfile(name, prop){
// Only change code below this line

        if(!isNameExist(name)){
            return "No such contact";
        }else if(!isPropertyExist(prop)){
            return "No such property";
        }

         for(var a = 0; a< contacts.length; a++){
        if(contacts[a].firstName == name && contacts[a].hasOwnProperty(prop)){
                return contacts[a][prop];
            }   
        }
}
// Only change code above this line

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

// 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"]
}
];

var result
function lookUpProfile(name, prop){
// Only change code below this line
result.pop()
for (var obj of contacts) {
if(obj.firstName === name){
if(obj[prop]){
result.push(obj[prop])
}
else {
result.push('No such property')
}
}
}
return result[0] !== undefined ? result[0] : 'No such contact'
// Only change code above this line
}

lookUpProfile("Akira", "likes");

function lookUpProfile(name, prop) {
for (let x = 0; x < contacts.length; x++) {
if (contacts[x].firstName === name) {
if (contacts[x].hasOwnProperty(prop)) {
return contacts[x][prop];
} else {
return "No such property";
}
}
}
return "No such contact";
}