clear在css中什么意思

clear在css中有清除、清理的意思，也是CSS中的一个属性，用于清除浮动，其使用语法如“img{float:left;clear:both;}”，该语句表示图像的左侧和右侧均不允许出现浮动元素。

示例：

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.
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.







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.
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.

效果图：

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