English | 简体中文 | 繁體中文 | Русский язык | Français | Español | Português | Deutsch | 日本語 | 한국어 | Italiano | بالعربية
CSS pseudo-class:only-The child selector matches elements that have no siblings. Equivalent selectors can also be written as :first-child:last-child or :nth-child(1:nth-last-child(1), of course, the weight of the former will be a bit lower.
Complete CSS Selector Reference Manual
Match the p element that is the only child of the parent element:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Basic Tutorial(oldtoolbag.com)</title>
<style>
div p:only-child {
color: red;
}
</style>
</head>
<body>
<div>
<p>This paragraph is the only child of its parent element</p>
</div>
<div>
<p>This paragraph is the first child of its parent element</p>
<p>This paragraph is the second child of its parent element</p>
</div>
</body>
</html>Test and see ‹/›:only-child
:only-The child selector matches elements that are the only child of a parent element.
The numbers in the table indicate the first browser version that supports this attribute.
| Selector | |||||
|---|---|---|---|---|---|
| :only-child | 4.0 | 9.0 | 3.5 | 3.2 | 9.6 |