What strategies can I use to dynamically update the .active class in jquery so it doesn't only target the initial one?

Utilizing bootstrap for tab-fade functionality has been successful so far. However, I am facing an issue when trying to select multiple active classes instead of just one. My current JQuery code only changes the text in the first element with the "active" class to "hello world". Ideally, I want to display all elements with the ".active" class in the container on the page. What would be the best approach to achieve this? It seems like a simple task.

I have attempted storing the ".active" class in a variable and experimenting with different CSS selectors, but none of them yielded the desired results.

$('.tab-content>.active').html("Hello world");
<!DOCTYPE html>
<html>

<head>
  <meta http-equiv="content-type" content="text/html; charset=windows-1252">
</head>

<body>
  <header>
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>

    <link href="Test2.css" rel="stylesheet">

  </header>
  <nav class="nav"><span style="font-size: 30px; height: 30%">
            <ul>
              <li> <a href="#">Abab</a></li>
              <li> <a href="#">BABA</a></li>
              <li> <a href="#">CDCDC</a></li>
              <li> <a href="#">EDED</a></li>
            </ul>
          </span> </nav>
  

  <button id="button">Click here</button>
  <ul class="nav nav-tabs" role="tablist" id="Exampletabs">
    <li><a href="#Article1" role="tab" data-toggle="tab">Article 1</a></li>
    <li><a href="#Article2" role="tab" data-toggle="tab">Article 2</a></li>
    <li><a href="#Article3" role="tab" data-toggle="tab">Article 3</a></li>
    <li><a href="#Article4" role="tab" data-toggle="tab">Article 4</a></li>
  </ul>
  <!--Tab panes-->
  
  <section id="page">
    <section id="container">

      <h1>Hello world!</h1>

      <p>Check out my skills. I have mad coding skills. I am the best. There is no one else out there like me. Any of the articles that appear in the articles section above will appear below, and, I have several pages that you can go through that all lead
        the same place. </p>

      <br>

      <p>You can click on the article sections to see different previews of my website. I hope to write many more movie reviews as time goes on. I also hope to add in some analysis about news, tech and politics. I was after all a Political Science and Communication
        major while I was in College. I can't break bad habits.</p>

    </section>
  </section>


  <p>Hello world!!!</p>
  </div>

  <ul class="pager" style="margin-right: 700px">
    <li><a href="#Article1">1</a></li>
    <li><a href="#Article2">2</a></li>
    <li><a href="#Article3">3</a></li>
    <li><a href="#Article4">4</a></li>
    <li><a href="#Article5">5</a></li>
  </ul>
</body>

</html>

Answer №1

Make sure your query selector is set to

$('div.tab-content>.active').html("Hello world");

Remember to call this function after updating the active tab:

// initialize for first time
$('div.tab-content>.active').html("Hello world");

// update content when a tab becomes active
$('a[data-toggle="tab"]').on('shown.bs.tab', function (e) {
  $('div.tab-content>.active').html("Hello world");
});
<!DOCTYPE html>
<html>

<head>
  <meta http-equiv="content-type" content="text/html; charset=windows-1252">
</head>

<body>
  <header>
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>

  </header>
  <nav class="nav"><span style="font-size: 30px; height: 30%">
            <ul>
              <li> <a href="#">Abab</a></li>
              <li> <a href="#">BABA</a></li>
              <li> <a href="#">CDCDC</a></li>
              <li> <a href="#">EDED</a></li>
            </ul>
          </span> </nav>
  
  <button id="button">Click here</button>
  <ul class="nav nav-tabs" role="tablist" id="Exampletabs">
    <li><a href="#Article1" role="tab" data-toggle="tab">Article 1</a></li>
    <li><a href="#Article2" role="tab" data-toggle="tab">Article 2</a></li>
    <li><a href="#Article3" role="tab" data-toggle="tab">Article 3</a></li>
    <li><a href="#Article4" role="tab" data-toggle="tab">Article 4</a></li>
  </ul>
  <div class="tab-content">
    <div class="tab-pane active" id="Article1"> This is a test of my typing ability. I have mad coding skills.<br>

      <p>How are you? I am doing well. I am a nouveau writer. So, don't take it personally if I suck.</p>
    </div>
    <div class="tab-pane" id="Article2"> BBBB </div>
    <div class="tab-pane" id="Article3"> CCC</div>
    <div class="tab-pane" id="Article4"> DDD</div>
  </div>


  <section id="page">
    <section id="container">

      <h1>Hello world!</h1>

      <p>Check out my skills. I have mad coding skills. Any of the articles that appear in the article section above will lead you here.</p>

      <br>

      <p>You can click on the article sections to see different previews of my website. I also hope to add analysis about news, tech and politics as I was a Political Science and Communication major in College. </p>

    </section>
  </section>


  <p>Hello world!!!</p>
  </div>

  <ul class="pager" style="margin-right: 700px">
    <li><a href="#Article1">1</a></li>
    <li><a href="#Article2">2</a></li>
    <li><a href="#Article3">3</a></li>
    <li><a href="#Article4">4</a></li>
    <li><a href="#Article5">5</a></li>
  </ul>
</body>

</html>

Answer №2

After some trial and error, I've finally stumbled upon a workable solution! It may not be perfect, but it's the best one I've discovered so far. By utilizing the #container element and incorporating jQuery selectors within the HTML, I've managed to simplify my workflow and uncover new possibilities for utilizing jQuery functionalities. :) Here's the code snippet for you all to benefit from. A huge thank you to imudin07 for their assistance!

$('div.tab-content>.active').html("Hello world");

// Updating content when a tab is activated
$('a[data-toggle="tab"]').on('shown.bs.tab', function (e) {
  $("#container").html($('div.tab-content>.active'));
});

The next step now is figuring out how to implement a reset mechanism that triggers after four clicks. Currently, the functionality gets stuck at the fourth click without resetting, so I need to resolve this issue.

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