Several HTML tags that are not commonly used

HTML tags are numerous and you can find them in the HTML manual. But some HTML tags you may never have used. Not because you lack the learning spirit, but they do not use very much.

HTML Tags: what are some of the less common HTML tags you use?

HTML tags are numerous and you can find them in the HTML manual . But some HTML tags you may never have used. Not because you lack the learning spirit, but they do not use very much. If you have the spirit of exploration, then look down.

First: or
These two logos are the same thing, mainly used for some English abbreviations, when you move the mouse up, you will notice that there will be a small hint to prompt the abbreviation of the full name. Here is an example:

1. html
2. IEEE
3. RTFSC

A second:
This logo is mainly to put the quoted text in double quotes, the logo seems to have very little meaning. The official said it was for convenience, but I always thought the logo would be less convenient to enter double quotes directly. It seems to be nothing. This logo can only be seen under Firefox, IE will not support. Here's an example:

This is a quote.

1. This is a quote

This is a quote.

A third,.
This logo is very interesting and can be reversed from left to right. For example: May I help sir? If you add this logo, this is the following:

1. May I help you sir?
2. What can I do for you, sir?

1. may I help you Sir?
2. , what can I do for you?

May I help you sir? What can I do for you, sir? 

Fourth one,
Add a strikethrough to your string. For example: This is a paragraph deletion text .

1. This is a paragraph delete text

This is a section of deleted text

Fifth to sixth one,
These two are subscript and superscript. Here is an example:
This is a subscript, this is a superscript .

1. This is a _subscript This is a ^superscript