index.js

const siteContent = {
  "nav": {
    "nav-item-1": "Services",
    "nav-item-2": "Product",
    "nav-item-3": "Vision",
    "nav-item-4": "Features",
    "nav-item-5": "About",
    "nav-item-6": "Contact",
    "img-src": "img/logo.png"
  },
  "cta": {
    "h1": "DOM Is Awesome",
    "button": "Get Started",
    "img-src": "img/header-img.png"
  },
  "main-content": {
    "features-h4":"Features",
    "features-content": "Features content elementum magna eros, ac posuere elvit tempus et. Suspendisse vel tempus odio, in interdutm nisi. Suspendisse eu ornare nisl. Nullam convallis augue justo, at imperdiet metus scelerisque quis.",
    "about-h4":"About",
    "about-content": "About content elementum magna eros, ac posuere elvit tempus et. Suspendisse vel tempus odio, in interdutm nisi. Suspendisse eu ornare nisl. Nullam convallis augue justo, at imperdiet metus scelerisque quis.",
    "middle-img-src": "img/mid-page-accent.jpg",
    "services-h4":"Services",
    "services-content": "Services content elementum magna eros, ac posuere elvit tempus et. Suspendisse vel tempus odio, in interdutm nisi. Suspendisse eu ornare nisl. Nullam convallis augue justo, at imperdiet metus scelerisque quis.",
    "product-h4":"Product",
    "product-content": "Product content elementum magna eros, ac posuere elvit tempus et. Suspendisse vel tempus odio, in interdutm nisi. Suspendisse eu ornare nisl. Nullam convallis augue justo, at imperdiet metus scelerisque quis.",
    "vision-h4":"Vision",
    "vision-content": "Vision content elementum magna eros, ac posuere elvit tempus et. Suspendisse vel tempus odio, in interdutm nisi. Suspendisse eu ornare nisl. Nullam convallis augue justo, at imperdiet metus scelerisque quis.",
  },
  "contact": {
    "contact-h4" : "Contact",
    "address" : "123 Way 456 Street Somewhere, USA",
    "phone" : "1 (888) 888-8888",
    "email" : "sales@greatidea.io",
  },
  "footer": {
    "copyright" : "Copyright Great Idea! 2018"
  },
};

// Example: Update the img src for the logo
let logo = document.getElementById("logo-img");
logo.setAttribute('src', siteContent["nav"]["img-src"])


// Navigation Bar
let nav = Array.from(document.querySelectorAll('a'));

nav.forEach((item, index) => item.textContent =  siteContent.nav[`nav-item-${index + 1}`] )
nav.forEach((item) => item.style.color =  `green`);



// Add 2 elements to Nav bar 
const nav1 = document.getElementsByTagName('nav')[0];

const navI = document.createElement('a');
navI.textContent = 'Home';
navI.style.color = 'green';

const navI2 = document.createElement('a');
navI2.textContent = 'News';
navI2.style.color = 'green';

nav1.prepend(navI);
nav1.append(navI2);


// Header img
let imgSrc = document.getElementById('cta-img');
imgSrc.setAttribute('src', siteContent.cta["img-src"]);

// Call-To-Action Button
let mainH1 = (document.querySelector('.cta h1').textContent = siteContent.cta['h1'])
let ctaButton = (document.querySelector('.cta .cta-text button').textContent = siteContent.cta['button'])


// Top Content
let topContent = document.querySelectorAll('.top-content .text-content');

topContent[0].querySelector('h4').textContent = siteContent['main-content']['features-h4'];
topContent[0].querySelector('p').textContent = siteContent['main-content']['about-content'];

topContent[1].querySelector('h4').textContent = siteContent['main-content']['about-h4'];
topContent[1].querySelector('p').textContent = siteContent['main-content']['about-content'];


// Middle img 
const middleImg = document.querySelector('.middle-img').src = siteContent['main-content']['middle-img-src'];


// Bottom content and Contact 
  const bottomContent = document.querySelectorAll('.bottom-content .text-content');

  bottomContent[0].querySelector('h4').textContent = siteContent['main-content']['services-h4'];
  bottomContent[0].querySelector('p').textContent = siteContent['main-content']['services-content'];

  bottomContent[1].querySelector('h4').textContent = siteContent['main-content']['product-h4'];
  bottomContent[1].querySelector('p').textContent = siteContent['main-content']['product-content'];

  bottomContent[2].querySelector('h4').textContent = siteContent['main-content']['vision-h4'];
  bottomContent[2].querySelector('p').textContent = siteContent['main-content']['vision-content'];

  const contactSection = document.querySelectorAll('.contact'); 
  const contactSectionParagraph = document.querySelectorAll('.contact p');

  contactSection[0].querySelector('h4').textContent = siteContent.contact['contact-h4'];
  contactSectionParagraph[0].textContent = siteContent.contact['address'];
  contactSectionParagraph[1].textContent = siteContent.contact['phone'];
  contactSectionParagraph[2].textContent = siteContent.contact['email'];


  // Footer
  const footer = document.querySelector('footer p');
  footer.textContent = siteContent.footer['copyright']