html commonly used format mark tags

First isHTMLIntroduction, HTML, Hypertext MarkupLanguage, hypertext annotation language. HTML is a specification, a standard, a standard for writing web pages. Marking: It is a mark and a sign. For example: traffic lights, language: The "language" here is code and has nothing to do with the so-called "programming language". The main purpose of HTML is to display different effects and parts of web pages. This time I will summarize the commonly usedformat mark tags in HTML. I hope it will be helpful to you. Friends who need it can save it.