Home > Article > Web Front-end > How to select only even rows in css
In CSS, you can use the pseudo-class selector ":nth-child()" to select even-numbered rows. This selector can select even-numbered rows of regular elements such as tables or li. The syntax "Element:nth" -child(2n){style}" or "element:nth-child(even){style}".
The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.
In CSS, you can use the pseudo-class selector ":nth-child()" to select even rows. Through the css3 pseudo-class selector :nth-child(), you can select even rows of regular elements such as tables or li.
:nth-child(n)
The selector matches the n
th child element in the parent element. There is no restriction on the element type. n
can be a number, a keyword, or a formula.
When n is the keyword "even" or the formula "2n", you can select even rows.
Syntax for selecting even-numbered rows:
元素:nth-child(2n){样式} 元素:nth-child(even){样式}
Example:
<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <style> p:nth-child(2n) { background:#ff0000; } li:nth-child(even){ background: #AFEEEE; } </style> </head> <body> <div> <p>这是第一个段落。</p> <p>这是第二个段落。</p> <p>这是第三个段落。</p> <p>这是第四个段落。</p> </div> <ul> <li>第一项</li> <li>第二项</li> <li>第三项</li> <li>第四项</li> </ul> </body> </html>
Rendering:
(Learning video sharing: css video tutorial)
The above is the detailed content of How to select only even rows in css. For more information, please follow other related articles on the PHP Chinese website!