How to switch through tabs in bulma

You should separate the tabs and the tab content into separate containers. You can match a tab to the correct content using the data attribute.

Set the tab content to be hidden by default, unless it has the class active. When you click on a tab, the corresponding tab content receives active.

You can update the fiddle/snippet below with more appropriate elements and class/id names as you need.

fiddle

$(document).ready(function() {
  $('#tabs li').on('click', function() {
    var tab = $(this).data('tab');

    $('#tabs li').removeClass('is-active');
    $(this).addClass('is-active');

    $('#tab-content p').removeClass('is-active');
    $('p[data-content="' + tab + '"]').addClass('is-active');
  });
});
#tab-content p {
  display: none;
}

#tab-content p.is-active {
  display: block;
}
<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.css" rel="stylesheet"/>
<link href="https://cdnjs.cloudflare.com/ajax/libs/bulma/0.6.1/css/bulma.css" rel="stylesheet"/>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="tabs is-toggle is-fullwidth" id="tabs">
  <ul>
    <li class="is-active" data-tab="1">
      <a>
        <span class="icon is-small"><i class="fa fa-image"></i></span>
        <span>Pictures</span>
      </a>
    </li>
    <li data-tab="2">
      <a>
        <span class="icon is-small"><i class="fa fa-music"></i></span>
        <span>Music</span>
      </a>
    </li>
    <li data-tab="3">
      <a>
        <span class="icon is-small"><i class="fa fa-film"></i></span>
        <span>Videos</span>
      </a>
    </li>
    <li data-tab="4">
      <a>
        <span class="icon is-small"><i class="fa fa-file-text-o"></i></span>
        <span>Documents</span>
      </a>
    </li>
  </ul>
</div>
<div id="tab-content">
  <p class="is-active" data-content="1">
    Pictures
  </p>
  <p data-content="2">
    Music
  </p>
  <p data-content="3">
    Videos
  </p>
  <p data-content="4">
    Documents
  </p>
</div>

Example without jQuery

const TABS = [...document.querySelectorAll('#tabs li')];
const CONTENT = [...document.querySelectorAll('#tab-content p')];
const ACTIVE_CLASS = 'is-active';

function initTabs() {
    TABS.forEach((tab) => {
      tab.addEventListener('click', (e) => {
        let selected = tab.getAttribute('data-tab');
        updateActiveTab(tab);
        updateActiveContent(selected);
      })
    })
}

function updateActiveTab(selected) {
  TABS.forEach((tab) => {
    if (tab && tab.classList.contains(ACTIVE_CLASS)) {
      tab.classList.remove(ACTIVE_CLASS);
    }
  });
  selected.classList.add(ACTIVE_CLASS);
}

function updateActiveContent(selected) {
  CONTENT.forEach((item) => {
    if (item && item.classList.contains(ACTIVE_CLASS)) {
      item.classList.remove(ACTIVE_CLASS);
    }
    let data = item.getAttribute('data-content');
    if (data === selected) {
      item.classList.add(ACTIVE_CLASS);
    }
  });
}

initTabs();
#tab-content p {
  display: none;
}

#tab-content p.is-active {
  display: block;
}
<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.css" rel="stylesheet" />
<link href="https://cdnjs.cloudflare.com/ajax/libs/bulma/0.6.1/css/bulma.css" rel="stylesheet" />
<div class="tabs is-toggle is-fullwidth" id="tabs">
  <ul>
    <li class="is-active" data-tab="1">
      <a>
        <span class="icon is-small"><i class="fa fa-image"></i></span>
        <span>Pictures</span>
      </a>
    </li>
    <li data-tab="2">
      <a>
        <span class="icon is-small"><i class="fa fa-music"></i></span>
        <span>Music</span>
      </a>
    </li>
    <li data-tab="3">
      <a>
        <span class="icon is-small"><i class="fa fa-film"></i></span>
        <span>Videos</span>
      </a>
    </li>
    <li data-tab="4">
      <a>
        <span class="icon is-small"><i class="fa fa-file-text-o"></i></span>
        <span>Documents</span>
      </a>
    </li>
  </ul>
</div>
<div id="tab-content">
  <p class="is-active" data-content="1">
    Pictures
  </p>
  <p data-content="2">
    Music
  </p>
  <p data-content="3">
    Videos
  </p>
  <p data-content="4">
    Documents
  </p>
</div>


Another solution without the need of data attributes (using index).

HTML:

  <div class="column is-12 tabs is-medium">
    <ul>
      <li class="is-active"><a>Tab 1</a></li>
      <li><a>Tab 2</a></li>
    </ul>
  </div>
  <div class="column is-12 tabs-content">
    <div class="tab-content is-active">
      <p>Content 1</p>
    </div>
    <div class="tab-content">
      <p>Content 2</p>
    </div>
  </div>

JS (jQuery):

     $('.tabs').each(function(index) {
      var $tabParent = $(this);
      var $tabs = $tabParent.find('li');
      var $contents = $tabParent.next('.tabs-content').find('.tab-content');

      $tabs.click(function() {
        var curIndex = $(this).index();
        // toggle tabs
        $tabs.removeClass('is-active');
        $tabs.eq(curIndex).addClass('is-active');
        // toggle contents
        $contents.removeClass('is-active');
        $contents.eq(curIndex).addClass('is-active');
      });
    });

SCSS:

  .tab-content {
    display: none;

    &.is-active {
      display: block;
    }
  }

Tags:

Html

Bulma

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