内容的效果:“\0020”;属性? [英] What is the effect of content: "\0020"; property?
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问题描述
.container:after {
content: "\0020";
display: block;
height: 0;
clear: both;
visibility: hidden;
overflow:hidden;}
内容
Contents
Please explain what is the effect of "content: "\0020"; property?
推荐答案
\0020
插入Unicode代码点U + 0020,这是一个空格,因此代码等同于 content:'';
。
\0020
inserts the Unicode code point U+0020, which is a space. So the code is equivalent to content: ' ';
.
content:x
将值替换为 x
。
但是,在您发布的代码段中,此内容是不可见的,因此您不会看到任何内容。代码是 clearfix 实现重新浮动页面上的元素。
However, in the snippet you’ve posted, this content is made invisible anyway so you won’t actually see anything. The code is a clearfix implementation to re-float elements on the page.
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