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Failed:Each .nav-link should have an href attribute that links to its corresponding .main-section (e.g. If you click on a .nav-link element that contains the text “Hello world”, the page navigates to a section element with that id)…
Your code so far
<!-- file: index.html -->
<!DOCTYPE html>
<html lang="en">
<header>
<meta charset="UTF-8">
<link rel="stylesheet" href="styles.css">
</header>
<body>
<main id="main-doc">
<section class="main-section" id="Introduction">
<header id="intro">Introduction</header>
<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>
<code>Array, Date, and Math</code>
<li>Client-side JavaScript</li>
<li>Server-side JavaScript</li>
</section>
<section class="main-section" id="What_you_should_already_know">
<header id="what">What you should already know</header>
<p>This guide assumes you have the following basic background:</p>
<p>Read more, learn more..</p>
<code>HTML</code>
<li>A general understanding</li>
<li>Good working knowledge</li>
<li>Some programming experience</li>
</section>
<section class="main-section" id="JavaScript_and_Java">
<header id="java">JavaScript and Java</header>
<p>JavaScript and Java are similar in some ways but fundamentally different in some others.</p>
<p>In contrast to Java's compile-time system of classes built by declarations.</p>
<li>JavaScript is a very free-form language compared to Java.</li>
<code>JavaScript</code>
</section>
<section class="main-section" id="hello_world">
<header id="hello">Hello world</header>
<p>To get started with writing JavaScript, open the Scratchpad and write your first "Hello world" JavaScript code:</p>
<code>function greetMe(yourName) { alert("Hello " + yourName); }</code>
<code>greetMe("World");</code>
<p>Select the code in the pad and hit Ctrl+R to watch it unfold in your browser!</p>
</section>
<section class="main-section" id="variables">
<header id="vari">Variables</header>
<p>You use variables as symbolic names for values in your application.</p>
<p>A JavaScript identifier must start with a letter, underscore (_), or dollar sign ($);</p>
<code>var x = 42.</code>
<li>You can use ISO 8859-1 or Unicode letters such as å and ü in identifiers.</li>
</section>
<nav id="navbar">
<header id="js">JS Documentation</header>
<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>
</html>
</body>
/* file: styles.css */
#what{
font-size:20px;
font-style:bold;
margin-top:12px;
}
#java{
font-size:20px;
font-style:bold;
margin-top:12px;
}
#hello{
font-size:20px;
font-style:bold;
margin-top:12px;
}
#vari{
font-size:20px;
font-style:bold;
margin-top:12px;
}
#js{
font-size:20px;
font-style:bold;
margin-top:12px;
margin-bottom:12px;
}
#intro{
font-size:20px;
font-style:bold;
}
@media only screen and (max-width: 768px) {
/* For mobile phones: */
[class*="col-"] {
width: 100%;
}
}
Your browser information:
User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36
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