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 nth 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)
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