Introduction to HTML Basics

Alicloud Encyclopedia 2020-11-13 04:00:59
introduction html basics


【 What is? HTML】:

HTML: Hypertext markup language , An application under the standard generic markup language .

“ Hypertext ” It means that the page can contain pictures 、 link , Even music 、 Non text elements such as programs .

  • HTML It's a language used to describe Web pages .
  • HTML Not a programming language , It's a kind of markup language
  • A markup language is a set of markup tags (markup tag)
  • HTML Use tag tags to describe Web pages
  • HTML The document contains HTML Label and text content
  • HTML Documents are also called web page
  • HTML The file suffix can be .html perhaps .htm, There is no difference between them , You can use

【 What is the definition of hypertext markup language 】:

Hypertext markup language is an application of the standard general markup language , It's also a norm , A standard , It marks all parts of the web page to be displayed by marking symbols . Web file itself is a text file , By adding a marker to the text file , It can tell the browser how to display the content ( Such as : How to deal with words , How to arrange the picture , How to display the picture, etc ). Browsers read web documents in order , Then, according to the marker, it explains and displays the contents of its marker , The mark for a writing error will not indicate its error , And does not stop its interpretation process , The compiler can only analyze the cause and location of the error through the display effect . But it should be noted that , For different browsers , There may be different interpretations of the same token , So there may be different display effects .

The essence of web pages is hypertext markup language , By using a combination of other Web technology ( Such as : Scripting language 、 Public gateway interface 、 Components etc. ), Can create a powerful web page . thus , The hypertext markup language is the world wide web (Web) Fundamentals of programming , In other words, the world wide web is based on hypertext . Hypertext markup language is called hypertext markup language , Because the text contains the so called “ hyperlink ” spot .

HTML characteristic : Hypertext markup language document making is not very complicated , But it's powerful , Supports file insertion in different data formats , It's also the world wide web (WWW) One of the reasons for the prevalence , Its main features are as follows :

  • Simplicity : Super text markup language version upgrade adopts superset mode , So it is more flexible and convenient .
  • Extensibility : The extensive application of hypertext markup language has brought about enhanced functions , Add identifier and other requirements , Hypertext markup language takes the form of subclass elements , Guarantee for system expansion .
  • Platform independence : Although personal computers are popular , But use MAC Waiting for other machines , Hypertext markup language can be used on a wide range of platforms , It's also the world wide web (WWW) Another reason for the popularity .
  • generality : in addition ,HTML It's the universal language of the Internet , One is simple 、 Universal all set markup language . It allows web producers to create complex pages with text and images , These pages can be accessed by anyone else on the Internet , No matter what kind of computer or browser you use .


more html Course : Alibaba cloud University —— Developer class

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