Tips for formatting the initial appearance of a class within any page or element

Is it possible to apply the style text-decoration:line-through to the initial instance of the span class="price" element within my table?

The HTML structure in question is as follows:

<table class="data-table" id="product-attribute-specs-table">
    <colgroup>
      <col width="25%">
      <col>
    </colgroup>
    <tbody>
      <tr class="first odd">
          <th class="label">Style Number</th>
          <td class="data last">2403</td>
      </tr>
      <tr class="even">
          <th class="label">Style Name</th>
          <td class="data last">Easy Option Berber</td>
      </tr>
      <tr class="odd">
          <th class="label">Rating</th>
          <td class="data last">3.5</td>
      </tr>
      <tr class="even">
          <th class="label">Retail Price</th>
          <td class="data last"><span class="price">$2.23</span></td>
      </tr>
      <tr class="odd">
          <th class="label">Price</th>
          <td class="data last"><span class="price">$1.44</span></td>
      </tr>
      <tr class="even">
          <th class="label">Roll Price Begins At</th>
          <td class="data last">125</td>
      </tr>
      <tr class="odd">
          <th class="label">Face Weight</th>
          <td class="data last">50</td>
      </tr>
      ...
    </tbody>
</table>

Please note that although solutions have been proposed, they do not specifically address cases where the class does not share a parent element: CSS selector for first element with class

Attempted solution (unsuccessful):

#product-attribute-specs-table tbody > tr td.data .price {text-decoration:line-through}
#product-attribute-specs-table tbody > tr td.data .price ~ tr td.data .price {text-decoration:none}

Furthermore, it is important to mention that class="price" is used multiple times on the page. The objective is to target only the initial occurrence within the table.

Answer №1

To achieve this effect, make sure to utilize JavaScript:

document.getElementById('product-attribute-specs-table')
  .querySelector('span.price')
  .classList.add('line-through');

Answer №2

        .chartKeyListItem {
            margin-left: 60px !important;
                }

              .chartKeyListItem ~ .chartKeyListItem {
               margin-left: 0 !important;
                  }

If you're working with DOM elements, utilize this method:

       event.target.className.split(" ")[0];

Another option is to use the classList property of DOM elements which will return a DOMTokenList Object of classes that are already split by space:

       event.target.classList[0]; 

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