什么是CDATA和它做什么？ [英] What exactly is CDATA and what does it do?

问题描述

我有时会注意到包含<！[CDATA [和]]> 标签。我找不到任何解释。 CDATA是什么？为什么某些人使用它，需要什么？

I sometimes notice a CSS or JS code surrounded with <![CDATA[ and ]]> tags. I couldn't find any explanation to this. What does CDATA do? Why is it used by some people and what is it needed for?

推荐答案

它告诉解释器它不应该尝试解释标签中包含的数据。例如，如果您想让XML文件包含带<或>，则XML解释器将该文件报告为无效，和>不会是标准标记的一部分。你只需要用CDATA标签包围代码。

It tells the interpreter that it should not try to interpret the data enclosed in the tags. For example, if you want a XML file to contain a comment with < or >, XML interpreters will report the file as invalid because the caracters < and > will not be part of standard tag. You simply have to surround the code with the CDATA tags.

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