Can :first-of-type Select the First Element with a Specific Class Name?

Using :first-of-type Selector with Class Name

Question:

Can the CSS3 selector :first-of-type be used to select the first element with a specific class name?

Answer:

No, it is not possible to use :first-of-type alone to select the first element with a particular class.

Explanation:

The :first-of-type pseudo-class targets the first element of its type among its siblings. Adding a class selector or a type selector to this pseudo-class indicates that the selection should be restricted to elements within a specific type (e.g., div or p) that also have the given class name. However, CSS does not provide a dedicated :first-of-class selector that selects only the first occurrence of a class.

Workaround:

As a workaround, you can achieve this functionality by using a combination of class names and selector specificity:

1. Assign a class name (e.g., .myclass1) to the first element where you want to apply a unique style.
2. Use a subsequent selector with the same class name and the sibling selector (~) to reset any styles applied after the first element.

Example:

.myclass1 { color: red; }
.myclass1 ~ .myclass1 { color: /* default, or inherited */; }

This ensures that only the first element with the class .myclass1 receives the specified style, while subsequent elements inherit the default or parent style.

Additional Notes:

• Other CSS techniques, such as the nth-child() or :last-of-type() selectors, may be employed for more complex selection needs.
• The use of JavaScript or preprocessors may provide additional flexibility for selecting specific elements based on their class names.

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