css中clear什么意思?

在CSS中,clear有清除、清理的意思。clear是CSS中的一个属性,用于清除浮动。下面本篇文章就来给大家介绍一下CSS clear属性,希望对大家有所帮助。

clear 属性规定元素的哪一侧不允许其他浮动元素。

说明

clear 属性定义了元素的哪边上不允许出现浮动元素。在 CSS1 和 CSS2 中,这是通过自动为清除元素(即设置了 clear 属性的元素)增加上外边距实现的。在 CSS2.1 中,会在元素上外边距之上增加清除空间,而外边距本身并不改变。不论哪一种改变,最终结果都一样,如果声明为左边或右边清除,会使元素的上外边框边界刚好在该边上浮动元素的下外边距边界之下。

属性值:

示例:

<!DOCTYPE html>
<html>

	<head>
		<meta charset="utf-8">
	</head>

	<body>
		<div>
			<img src="logocss.webp" style="float:left;width: 95px;height:84px;" />
			<p>没有清除浮动!This is some text. This is some text. This is some text. 
			This is some text. This is some text. This is some text.</p>
			<p>没有清除浮动!This is also some text. This is also some text. 
			This is also some text. This is also some text. This is also some text. 
			This is also some text.</p>
		</div>
		<br />
		<hr /><br />
		<div>
			<img src="logocss.webp" width="95" height="84" />
			<p>没有清除浮动!This is some text. This is some text. This is some text. 
			This is some text. This is some text. This is some text.</p>
			<p style="clear:both">清除浮动!This is also some text. This is also some text.
			 This is also some text. This is also some text. This is also some text. 
			 This is also some text.</p>
		</div>
	</body>

</html>

效果图:

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