Shulou(Shulou.com)06/02 Report--

What this article shares with you is about what the escaped characters of json are. The editor thinks it is very practical, so I share it with you to learn. I hope you can get something after reading this article.

An escape string (Escape Sequence) is also called a character entity (Character Entity). In HTML, escape strings are defined for two reasons: the first is that symbols like "" are already used to represent HTML tags, so they cannot be used directly as symbols in text. In order to use these symbols in an HTML document, you need to define its escape string. When the interpreter encounters such a string, it interprets it as a real character. When entering escape strings, strictly follow the rules of letter case. The second reason is that some characters are not defined in the ASCII character set, so you need to use an escape string to represent them.

In fact, all programming languages have escape characters for basically two reasons:

First, use escape characters to represent the characters defined in the character set, such as the control characters in ASCll and enter line feeds, which do not have ready-made text codes. So it can only be represented by escape characters.

Second, some specific characters are defined as special-purpose characters in the editing language.

These characters lose their original meaning because they are defined as special purposes. For example, in Html

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.