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HTML

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HTML preprocessors can make writing HTML more powerful or convenient. For instance, Markdown is designed to be easier to write and read for text documents and you could write a loop in Pug.

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Adding Classes

In CodePen, whatever you write in the HTML editor is what goes within the <body> tags in a basic HTML5 template. So you don't have access to higher-up elements like the <html> tag. If you want to add classes there that can affect the whole document, this is the place to do it.

About the <head>

In CodePen, whatever you write in the HTML editor is what goes within the <body> tags in a basic HTML5 template. If you need things in the <head> of the document, put that code here.

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CSS

About CSS Preprocessors

CSS preprocessors help make authoring CSS easier. All of them offer things like variables and mixins to provide convenient abstractions.

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CSS Base

About CSS Base

It's a common practice to apply CSS to a page that styles elements such that they are consistent across all browsers. We offer two of the most popular choices: normalize.css and a reset. Or, choose Neither and nothing will be applied.

Vendor Prefixing

About Vendor Prefixing

To get the best cross-browser support, it is a common practice to apply vendor prefixes to CSS properties and values that require them to work. For instance -webkit- or -moz-.

We offer two popular choices: Autoprefixer (which processes your CSS server-side) and -prefix-free (which applies prefixes via a script, client-side).

Add External Stylesheets/Pens

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JavaScript

About JavaScript Preprocessors

JavaScript preprocessors can help make authoring JavaScript easier and more convenient.

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Babel includes JSX processing.

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Packages

Add Packages

Search for and use JavaScript packages from npm here. By selecting a package, an import statement will be added to the top of the JavaScript editor for this package.

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Using packages here is powered by esm.sh, which makes packages from npm not only available on a CDN, but prepares them for native JavaScript ESM usage.

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HTML 

              
                <!DOCTYPE html>
  <head>
    <title>GoingToNavbar</title>
    <meta charset="utf-8" />
    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css" integrity="sha384-9aIt2nRpC12Uk9gS9baDl411NQApFmC26EwAOH8WgZl5MYYxFfc+NcPb1dKGj7Sk" crossorigin="anonymous">
  </head>
  <body>
    <nav id="navbar" class="navbar navbar-expand-lg navbar-light bg-light">
    <a class="navbar-brand" href="#">Navbar</a>
    <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
        <span class="navbar-toggler-icon"></span>
    </button>
    <div class="collapse navbar-collapse" id="navbarNav">
        <ul class="navbar-nav">
            <li class="nav-item">
                <!-- Here The most important part is the Href being #{id_of_element} -->
                <a class="nav-link" href="#JumpTo1">Go To Para 1</a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="#JumpTo2">Go To Para 2</a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="#JumpTo3">Go To Para 3</a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="#JumpTo4">Go To Para 4</a>
            </li>
        </ul>
    </div>
    </nav>
    <div id="JumpTo1" class="container my-5">
        <h2>1</h2>
        <p>
        Lorem ipsum dolor sit amet, consectetur adipiscing elit. Duis sit amet ante nulla. Donec augue nibh, scelerisque et tincidunt nec, consectetur et urna. Nam facilisis nisl eu ligula posuere fringilla. Nam accumsan massa eu ante sodales, vel scelerisque sapien volutpat. Pellentesque pellentesque blandit pellentesque. Quisque magna lacus, semper vitae ante vitae, tempus accumsan sem. Donec euismod eleifend neque ut pharetra. Fusce varius est sit amet neque iaculis, ac condimentum lectus porttitor. Fusce tempus, erat nec faucibus malesuada, augue arcu sollicitudin purus, nec pulvinar lacus arcu et lacus. Curabitur sit amet magna ut sem volutpat volutpat. Aliquam varius nibh vitae metus tempus aliquam. Integer consectetur semper erat vitae pharetra. Praesent aliquam malesuada risus, et lacinia nibh tristique eu. Vestibulum at ligula odio. Integer facilisis vel risus sit amet fermentum.
        </p>
        <p>
        Suspendisse pretium orci id dui pharetra, quis viverra ipsum finibus. In viverra, ante id sollicitudin posuere, urna urna feugiat neque, vitae aliquam magna elit quis arcu. Morbi ac nisi vitae est consequat elementum. Curabitur aliquam orci nec nulla convallis dictum. Donec in pellentesque nisi. Phasellus fermentum, mauris sit amet interdum luctus, justo nibh sagittis tortor, at malesuada sapien ipsum eget diam. Phasellus maximus eleifend nisl vitae mattis. Vestibulum tincidunt porta scelerisque. Mauris est lectus, tristique vel augue sit amet, bibendum commodo ante. Ut nisl magna, accumsan vitae mi sed, ultricies posuere felis. Integer quis mauris lacus. Suspendisse tincidunt tellus justo, et finibus turpis condimentum sed. Mauris sollicitudin porttitor erat. Vivamus ultricies interdum scelerisque. Proin maximus tellus lacus. Mauris ullamcorper dapibus urna scelerisque laoreet.
        </p>
        <p>
        Nam magna nisl, ultricies ut pulvinar eget, tincidunt quis sem. Suspendisse ornare est ac nunc blandit consectetur. Praesent quis dolor laoreet, aliquet mauris sed, viverra risus. Pellentesque suscipit dictum orci, sit amet fringilla turpis volutpat quis. Aenean fermentum fermentum commodo. Curabitur luctus in erat eu ultricies. Suspendisse a mi vitae tortor cursus cursus. Proin interdum imperdiet posuere. Vestibulum mollis lectus id diam iaculis porttitor. Suspendisse eget purus enim. Aenean malesuada ante mauris, non faucibus odio dignissim quis.
        </p>
        <p>
        Ut lobortis neque ac posuere blandit. Sed euismod, dui non iaculis consequat, elit dolor malesuada nunc, sit amet interdum nunc felis vel metus. Nam posuere ante placerat nisi congue varius. Aliquam nec metus quam. Donec lorem ipsum, ultricies in pretium in, dictum ac diam. Suspendisse potenti. Duis gravida, lorem eu eleifend sodales, lorem enim faucibus mauris, sit amet ultrices elit augue nec enim. Suspendisse potenti. Nam porta id magna molestie suscipit. Cras venenatis erat id augue dignissim, a sollicitudin diam fringilla. Nam pretium id ipsum non elementum. Sed a sollicitudin libero. Orci varius natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Sed ante quam, hendrerit id ipsum eu, convallis elementum augue. Vestibulum elementum mattis leo sed finibus.
        </p>
    </div>
    <div id="JumpTo2" class="container my-5">
        <h2>2</h2>
        <p>
        Lorem ipsum dolor sit amet, consectetur adipiscing elit. Duis sit amet ante nulla. Donec augue nibh, scelerisque et tincidunt nec, consectetur et urna. Nam facilisis nisl eu ligula posuere fringilla. Nam accumsan massa eu ante sodales, vel scelerisque sapien volutpat. Pellentesque pellentesque blandit pellentesque. Quisque magna lacus, semper vitae ante vitae, tempus accumsan sem. Donec euismod eleifend neque ut pharetra. Fusce varius est sit amet neque iaculis, ac condimentum lectus porttitor. Fusce tempus, erat nec faucibus malesuada, augue arcu sollicitudin purus, nec pulvinar lacus arcu et lacus. Curabitur sit amet magna ut sem volutpat volutpat. Aliquam varius nibh vitae metus tempus aliquam. Integer consectetur semper erat vitae pharetra. Praesent aliquam malesuada risus, et lacinia nibh tristique eu. Vestibulum at ligula odio. Integer facilisis vel risus sit amet fermentum.
        </p>
        <p>
        Suspendisse pretium orci id dui pharetra, quis viverra ipsum finibus. In viverra, ante id sollicitudin posuere, urna urna feugiat neque, vitae aliquam magna elit quis arcu. Morbi ac nisi vitae est consequat elementum. Curabitur aliquam orci nec nulla convallis dictum. Donec in pellentesque nisi. Phasellus fermentum, mauris sit amet interdum luctus, justo nibh sagittis tortor, at malesuada sapien ipsum eget diam. Phasellus maximus eleifend nisl vitae mattis. Vestibulum tincidunt porta scelerisque. Mauris est lectus, tristique vel augue sit amet, bibendum commodo ante. Ut nisl magna, accumsan vitae mi sed, ultricies posuere felis. Integer quis mauris lacus. Suspendisse tincidunt tellus justo, et finibus turpis condimentum sed. Mauris sollicitudin porttitor erat. Vivamus ultricies interdum scelerisque. Proin maximus tellus lacus. Mauris ullamcorper dapibus urna scelerisque laoreet.
        </p>
        <p>
        Nam magna nisl, ultricies ut pulvinar eget, tincidunt quis sem. Suspendisse ornare est ac nunc blandit consectetur. Praesent quis dolor laoreet, aliquet mauris sed, viverra risus. Pellentesque suscipit dictum orci, sit amet fringilla turpis volutpat quis. Aenean fermentum fermentum commodo. Curabitur luctus in erat eu ultricies. Suspendisse a mi vitae tortor cursus cursus. Proin interdum imperdiet posuere. Vestibulum mollis lectus id diam iaculis porttitor. Suspendisse eget purus enim. Aenean malesuada ante mauris, non faucibus odio dignissim quis.
        </p>
        <p>
        Ut lobortis neque ac posuere blandit. Sed euismod, dui non iaculis consequat, elit dolor malesuada nunc, sit amet interdum nunc felis vel metus. Nam posuere ante placerat nisi congue varius. Aliquam nec metus quam. Donec lorem ipsum, ultricies in pretium in, dictum ac diam. Suspendisse potenti. Duis gravida, lorem eu eleifend sodales, lorem enim faucibus mauris, sit amet ultrices elit augue nec enim. Suspendisse potenti. Nam porta id magna molestie suscipit. Cras venenatis erat id augue dignissim, a sollicitudin diam fringilla. Nam pretium id ipsum non elementum. Sed a sollicitudin libero. Orci varius natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Sed ante quam, hendrerit id ipsum eu, convallis elementum augue. Vestibulum elementum mattis leo sed finibus.
        </p>
    </div>
    <div id="JumpTo3" class="container my-5">
        <h2>3</h2>
        <p>
        Lorem ipsum dolor sit amet, consectetur adipiscing elit. Duis sit amet ante nulla. Donec augue nibh, scelerisque et tincidunt nec, consectetur et urna. Nam facilisis nisl eu ligula posuere fringilla. Nam accumsan massa eu ante sodales, vel scelerisque sapien volutpat. Pellentesque pellentesque blandit pellentesque. Quisque magna lacus, semper vitae ante vitae, tempus accumsan sem. Donec euismod eleifend neque ut pharetra. Fusce varius est sit amet neque iaculis, ac condimentum lectus porttitor. Fusce tempus, erat nec faucibus malesuada, augue arcu sollicitudin purus, nec pulvinar lacus arcu et lacus. Curabitur sit amet magna ut sem volutpat volutpat. Aliquam varius nibh vitae metus tempus aliquam. Integer consectetur semper erat vitae pharetra. Praesent aliquam malesuada risus, et lacinia nibh tristique eu. Vestibulum at ligula odio. Integer facilisis vel risus sit amet fermentum.
        </p>
        <p>
        Suspendisse pretium orci id dui pharetra, quis viverra ipsum finibus. In viverra, ante id sollicitudin posuere, urna urna feugiat neque, vitae aliquam magna elit quis arcu. Morbi ac nisi vitae est consequat elementum. Curabitur aliquam orci nec nulla convallis dictum. Donec in pellentesque nisi. Phasellus fermentum, mauris sit amet interdum luctus, justo nibh sagittis tortor, at malesuada sapien ipsum eget diam. Phasellus maximus eleifend nisl vitae mattis. Vestibulum tincidunt porta scelerisque. Mauris est lectus, tristique vel augue sit amet, bibendum commodo ante. Ut nisl magna, accumsan vitae mi sed, ultricies posuere felis. Integer quis mauris lacus. Suspendisse tincidunt tellus justo, et finibus turpis condimentum sed. Mauris sollicitudin porttitor erat. Vivamus ultricies interdum scelerisque. Proin maximus tellus lacus. Mauris ullamcorper dapibus urna scelerisque laoreet.
        </p>
        <p>
        Nam magna nisl, ultricies ut pulvinar eget, tincidunt quis sem. Suspendisse ornare est ac nunc blandit consectetur. Praesent quis dolor laoreet, aliquet mauris sed, viverra risus. Pellentesque suscipit dictum orci, sit amet fringilla turpis volutpat quis. Aenean fermentum fermentum commodo. Curabitur luctus in erat eu ultricies. Suspendisse a mi vitae tortor cursus cursus. Proin interdum imperdiet posuere. Vestibulum mollis lectus id diam iaculis porttitor. Suspendisse eget purus enim. Aenean malesuada ante mauris, non faucibus odio dignissim quis.
        </p>
        <p>
        Ut lobortis neque ac posuere blandit. Sed euismod, dui non iaculis consequat, elit dolor malesuada nunc, sit amet interdum nunc felis vel metus. Nam posuere ante placerat nisi congue varius. Aliquam nec metus quam. Donec lorem ipsum, ultricies in pretium in, dictum ac diam. Suspendisse potenti. Duis gravida, lorem eu eleifend sodales, lorem enim faucibus mauris, sit amet ultrices elit augue nec enim. Suspendisse potenti. Nam porta id magna molestie suscipit. Cras venenatis erat id augue dignissim, a sollicitudin diam fringilla. Nam pretium id ipsum non elementum. Sed a sollicitudin libero. Orci varius natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Sed ante quam, hendrerit id ipsum eu, convallis elementum augue. Vestibulum elementum mattis leo sed finibus.
        </p>
    </div>
    <div id="JumpTo4" class="container my-5">
        <h2>4</h2>
        <p>
        Lorem ipsum dolor sit amet, consectetur adipiscing elit. Duis sit amet ante nulla. Donec augue nibh, scelerisque et tincidunt nec, consectetur et urna. Nam facilisis nisl eu ligula posuere fringilla. Nam accumsan massa eu ante sodales, vel scelerisque sapien volutpat. Pellentesque pellentesque blandit pellentesque. Quisque magna lacus, semper vitae ante vitae, tempus accumsan sem. Donec euismod eleifend neque ut pharetra. Fusce varius est sit amet neque iaculis, ac condimentum lectus porttitor. Fusce tempus, erat nec faucibus malesuada, augue arcu sollicitudin purus, nec pulvinar lacus arcu et lacus. Curabitur sit amet magna ut sem volutpat volutpat. Aliquam varius nibh vitae metus tempus aliquam. Integer consectetur semper erat vitae pharetra. Praesent aliquam malesuada risus, et lacinia nibh tristique eu. Vestibulum at ligula odio. Integer facilisis vel risus sit amet fermentum.
        </p>
        <p>
        Suspendisse pretium orci id dui pharetra, quis viverra ipsum finibus. In viverra, ante id sollicitudin posuere, urna urna feugiat neque, vitae aliquam magna elit quis arcu. Morbi ac nisi vitae est consequat elementum. Curabitur aliquam orci nec nulla convallis dictum. Donec in pellentesque nisi. Phasellus fermentum, mauris sit amet interdum luctus, justo nibh sagittis tortor, at malesuada sapien ipsum eget diam. Phasellus maximus eleifend nisl vitae mattis. Vestibulum tincidunt porta scelerisque. Mauris est lectus, tristique vel augue sit amet, bibendum commodo ante. Ut nisl magna, accumsan vitae mi sed, ultricies posuere felis. Integer quis mauris lacus. Suspendisse tincidunt tellus justo, et finibus turpis condimentum sed. Mauris sollicitudin porttitor erat. Vivamus ultricies interdum scelerisque. Proin maximus tellus lacus. Mauris ullamcorper dapibus urna scelerisque laoreet.
        </p>
        <p>
        Nam magna nisl, ultricies ut pulvinar eget, tincidunt quis sem. Suspendisse ornare est ac nunc blandit consectetur. Praesent quis dolor laoreet, aliquet mauris sed, viverra risus. Pellentesque suscipit dictum orci, sit amet fringilla turpis volutpat quis. Aenean fermentum fermentum commodo. Curabitur luctus in erat eu ultricies. Suspendisse a mi vitae tortor cursus cursus. Proin interdum imperdiet posuere. Vestibulum mollis lectus id diam iaculis porttitor. Suspendisse eget purus enim. Aenean malesuada ante mauris, non faucibus odio dignissim quis.
        </p>
        <p>
        Ut lobortis neque ac posuere blandit. Sed euismod, dui non iaculis consequat, elit dolor malesuada nunc, sit amet interdum nunc felis vel metus. Nam posuere ante placerat nisi congue varius. Aliquam nec metus quam. Donec lorem ipsum, ultricies in pretium in, dictum ac diam. Suspendisse potenti. Duis gravida, lorem eu eleifend sodales, lorem enim faucibus mauris, sit amet ultrices elit augue nec enim. Suspendisse potenti. Nam porta id magna molestie suscipit. Cras venenatis erat id augue dignissim, a sollicitudin diam fringilla. Nam pretium id ipsum non elementum. Sed a sollicitudin libero. Orci varius natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Sed ante quam, hendrerit id ipsum eu, convallis elementum augue. Vestibulum elementum mattis leo sed finibus.
        </p>
    </div>
    <div class="container my-3">
        <a href = "#navbar" class="d-flex justify-content-end mx-3 text-primary">Back To Top</a>
    </div>

   
  </body>
</html>
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CSS
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JS
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