Implement multiple application scenarios of CSS :nth-last-of-type(4n) pseudo-class selector

To implement multiple application scenarios of CSS :nth-last-of-type(4n) pseudo-class selector, specific code examples are required

In CSS, pseudo-class selector Class selectors are a very powerful tool that can help us select DOM elements more precisely and control their styles. Among them, the :nth-last-of-type(4n) pseudo-class selector is a special selector that can select the fourth-to-last sibling element and its multiples. This article will introduce some common application scenarios using the :nth-last-of-type(4n) pseudo-class selector and provide corresponding code examples.

1. Grid Layout

:nth-last-of-type(4n) pseudo-class selector can be used in grid layout, for each Adds specific styles to the fourth element of a row and its multiples. Suppose we have a grid layout that displays a set of images on a page, with four images per row, we can add a specific style to the fourth image in each row by:

.grid-item:nth-last-of-type(4n) {
   /* 添加特定样式 */
}

2. Table Style (Table Styling)

We can use the :nth-last-of-type(4n) pseudo-class selector to add specific styles to the fourth cell and its multiples of each column in the table . This is useful in certain situations where tabular data needs to be highlighted. The following is an example:

table td:nth-last-of-type(4n) {
   /* 添加特定样式 */
}

3. Sidebar Layout

Sidebar layout often needs to achieve a special effect: every four sides Column elements wrap once. We can achieve this effect by adding a specific style to the last element of each row using the :nth-last-of-type(4n) pseudo-class selector. The following is an example:

.sidebar-item:nth-last-of-type(4n) {
   /* 添加特定样式 */
}

4. Building Navigation Bar

Sometimes we need to build a navigation bar where a set of links needs to be rendered in a specific style. We can use the :nth-last-of-type(4n) pseudo-class selector to add styles to these links to achieve the highlighting of a specific set of links in the navigation bar. The following is an example:

.nav-item:nth-last-of-type(4n) {
   /* 添加特定样式 */
}

By using the :nth-last-of-type(4n) pseudo-class selector, we can easily implement several common application scenarios mentioned above. These examples are just a few of the many possibilities, you can use them according to your needs. Hopefully these examples will help you better understand and apply the :nth-last-of-type(4n) pseudo-class selector.

In short, the pseudo-class selector in CSS is one of the powerful tools for our front-end developers. By using the :nth-last-of-type(4n) pseudo-class selector, we can select the fourth last sibling element and its multiples and apply a specific style to it. I hope the examples provided in this article can help you better understand and apply the :nth-last-of-type(4n) pseudo-class selector.

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