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JavaScript JavaScript and the DOM (Retiring) Getting a Handle on the DOM Practice Selecting Elements

Posted by Nes Tor
Nes Tor
723 Points

i dont undersatan the solution for this

i cant do this exercise https://teamtreehouse.com/library/javascript-and-the-dom-2/getting-a-handle-on-the-dom/practice-selecting-elements

js/app.js 
let navigationLinks = document.querySelectorAll('nav', 'ul', 'li', 'a');
let galleryLinks;
let footerImages;
index.html 
<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>Nick Pettit | Designer</title>
    <link rel="stylesheet" href="css/normalize.css">
    <link href='http://fonts.googleapis.com/css?family=Changa+One|Open+Sans:400italic,700italic,400,700,800' rel='stylesheet' type='text/css'>
    <link rel="stylesheet" href="css/main.css">
    <link rel="stylesheet" href="css/responsive.css">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
  </head>
  <body>
    <header>
      <a href="index.html" id="logo">
        <h1>Nick Pettit</h1>
        <h2>Designer</h2>
      </a>
      <nav>
        <ul>
          <li class="link"><a href="index.html" class="selected">Portfolio</a></li>
          <li class="link"><a href="about.html">About</a></li>
          <li class="link"><a href="contact.html">Contact</a></li>
        </ul>
      </nav>
    </header>
    <div id="wrapper">
      <section>
        <ul id="gallery">
          <li>
            <a href="img/numbers-01.jpg">
              <img src="img/numbers-01.jpg" alt="">
              <p>Experimentation with color and texture.</p>
            </a>
          </li>
          <li>
            <a href="img/numbers-02.jpg">
              <img src="img/numbers-02.jpg" alt="">
              <p>Playing with blending modes in Photoshop.</p>
            </a>
          </li>
        </ul>
      </section>
      <footer>
        <a href="http://twitter.com/nickrp"><img src="img/twitter-wrap.png" alt="Twitter Logo" class="social-icon"></a>
        <a href="http://facebook.com/nickpettit"><img src="img/facebook-wrap.png" alt="Facebook Logo" class="social-icon"></a>
        <p>&copy; 2016 Nick Pettit.</p>
      </footer>
    </div>
  <script src="js/app.js"></script>
  </body>
</html>

1 Answer

Andrew Hinkson
.a{fill-rule:evenodd;}techdegree seal-36
Andrew Hinkson
Full Stack JavaScript Techdegree Graduate 25,822 Points

When using the document.querySelectorAll() you are needing to add what your wanting to find without the commas.

Just to help out for the first one you can do this:

let navigationLinks = document.querySelectorAll("nav a");

Which would select all of the links ('a') in the nav ('nav').

The rest are similar. Hope this helps.

Nes Tor
Nes Tor
723 Points

thank you very much Andrew, save my day.

Andrew Hinkson
.a{fill-rule:evenodd;}techdegree seal-36
Andrew Hinkson
Full Stack JavaScript Techdegree Graduate 25,822 Points

Glad I could help.