Technical Documentation Page - Build a Technical Documentation Page


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    <title>Documentação Técnica</title>
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  <body>
    <nav id="navbar">
      <header >JS Documentation</header>
      <ul>
        <li>
          <a class="nav_link" href="#Introduction">Introduction</a>
        </li>
        <li>
          <a class="nav_link" href="#What_you_should_already_know">What you should already know</a>
        </li>
        <li>
          <a class="nav_link" href="#JavaScript_and_Java">JavaScript and Java</a>
        </li>
        <li>
          <a class="nav_link" href="#Hello_world">Hello world</a>
        </li>
        <li>
          <a class="nav_link" href="#Variables">Variables</a>
        </li>
        <li>
          <a class="nav_link" href="#Variable_scope">Variable scope</a>
        </li>
        <li>
          <a class="nav_link" href="#if_else_statement">if...else statement</a>
        </li>
        <li>
            <a class="nav_link" href="#Reference">Reference</a>
          </li>
        
      </ul>
    </nav>
    <div id="main-doc">
      <section class="main-section" id="Introduction">
        <header>Introduction</header>
        <article>
            <p>JavaScript is a cross-platform, object-oriented scripting language. It is a small and lightweight language. Inside a host environment (for example, a web browser), JavaScript can be connected to the objects of its environment to provide programmatic control over them.</p>
            <p>JavaScript contains a standard library of objects, such as Array, Date, and Math, and a core set of language elements such as operators, control structures, and statements. Core JavaScript can be extended for a variety of purposes by supplementing it with additional objects; for example:</p>
          <ul>
            <li>Client-side JavaScript extends the core language by supplying objects to control a browser and its Document Object Model (DOM). For example, client-side extensions allow an application to place elements on an HTML form and respond to user events such as mouse clicks, form input, and page navigation.</li>
            <li>Server-side JavaScript extends the core language by supplying objects relevant to running JavaScript on a server. For example, server-side extensions allow an application to communicate with a database, provide continuity of information from one invocation to another of the application, or perform file manipulations on a server</li>
          </ul>
        </article>
        
      </section>
      <section class="main-section" id="What_you_should_already_know">
        <header>What you should already know</header>
          <p>This guide assumes you have the following basic background:</p>
          <ul>
            <li>A general understanding of the Internet and the World Wide Web (WWW).</li>
            <li>Good working knowledge of HyperText Markup Language (HTML).</li>
            <li>Some programming experience. If you are new to programming, try one of the tutorials linked on the main page about JavaScript.</li>
          </ul>
        
      </section>
      <section class="main-section" id="JavaScript_and_Java">
        <header>JavaScript and Java</header>
      <article>
        <p>JavaScript and Java are similar in some ways but fundamentally different in some others. The JavaScript language resembles Java but does not have Java's static typing and strong type checking. JavaScript follows most Java expression syntax, naming conventions and basic control-flow constructs which was the reason why it was renamed from LiveScript to JavaScript.</p>
        <p>In contrast to Java's compile-time system of classes built by declarations, JavaScript supports a runtime system based on a small number of data types representing numeric, Boolean, and string values. JavaScript has a prototype-based object model instead of the more common class-based object model. The prototype-based model provides dynamic inheritance; that is, what is inherited can vary for individual objects. JavaScript also supports functions without any special declarative requirements. Functions can be properties of objects, executing as loosely typed methods.</p>
      </article>
      
    </section>
      <section class="main-section" id="Hello_world">
        <header>Hello world</header>
        <article>
            <p>To get started with writing JavaScript, open the Scratchpad and write your first "Hello world" JavaScript code</p>
        </article>
      
    </section>
      <section class="main-section" id="Variables">
        <header>Variables</header>
        <article>
            <code>function greetMe(yourName) { alert("Hello " + yourName); }
                greetMe("World");</code>
                <p>Select the code in the pad and hit Ctrl+R to watch it unfold in your browser!</p>
        </article>
      </section>
      <section class="main-section" id="Variable_scope">
        <header>Variable scope</header>
        <article>
            <p>When you declare a variable outside of any function, it is called a global variable, because it is available to any other code in the current document. When you declare a variable within a function, it is called a local variable, because it is available only within that function.</p>
        <code>if (true) { var x = 5; } console.log(x); // 5</code>
        <p>This behavior changes, when using the let declaration introduced in ECMAScript 2015.</p>
        <code>if (true) { let y = 5; } console.log(y); // ReferenceError: y is
not defined</code>
        </article>
      </section>  
    <section class="main-section" id="if_else_statement">
    <header>if...else statement</header>
    <article>
        <code>if (condition) { statement_1; } else { statement_2; }</code>
    <code>if (condition_1) { statement_1; } else if (condition_2) {
    statement_2; } else if (condition_n) { statement_n; } else {
    statement_last; }</code>
    </article>
    
    </section>
    <section class="main-section" id="Reference">
        <header>Reference</header>
        <article>
            <p>All the documentation in this page is taken from <a 
I did all the steps, but they say it's wrong! I can't find what's missing
href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide">MDN</a></p>
        </article>
    </section>
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Challenge: Technical Documentation Page - Build a Technical Documentation Page

Link to the challenge:

:balloon: Hi, welcome to the forum!
We see you have posted some code but did you have a question?

There are several tests that are not passing. It would be nice to know which one you need help with. But I’ll get you started with this one:

“You should have at least one a element with a class of nav-link.”

Now look at a link in your nav menu:

 <a class="nav_link" href="#Introduction">Introduction</a>

Do you see the error? Look closely at the class name you are using and compare it to the class name the tests are looking for.

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