What is HTML escaping

HTML escaping refers to converting some special characters into entity names or entity numbers in HTML documents to avoid them being parsed as HTML tags by the browser.

HTML escaping has a wide range of application scenarios. It can be used to display HTML tags in web pages, prevent script injection attacks, and enter special characters in text editors, etc.

HTML escaping mainly includes entity name and entity number. The entity name refers to a character sequence starting with "&" and ending with ";", which represents a specific character. For example, "<" represents the less than symbol "<" and "&" represents the "&" symbol. The entity number is a string of numbers that represents the number of the character in the ASCII code table. For example, "&" represents the "&" symbol.

The use of HTML escaping is very simple. When you need to use special characters in an HTML document, you only need to add "&" in front of it and the corresponding characters or numbers after it. For example, when using the "<" symbol in HTML, you can escape it as "<". Likewise, when using the "&" symbol, it also needs to be escaped as "&".

In practical applications, we often encounter situations where a large amount of text needs to be HTML escaped. At this time, you can use some HTML escaping tools to simplify the operation. Common HTML escaping tools include online escaping tools and plug-ins, which can quickly and effectively escape special characters in text, simplifying the work of developers.

It should be noted that although HTML escaping can effectively avoid some security issues, it is not foolproof. Some security vulnerabilities may not only be a problem with HTML tags, but also include other scripts and injection attacks. Therefore, when designing and writing a website, various security issues must be comprehensively considered and protection must be strengthened from many aspects.

To sum up, HTML escaping is a very important web development technology, which can protect the security of the website and bring a better user experience. When designing and writing web pages, you must fully understand the usage and precautions of HTML escaping to ensure the security and legality of the website.

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