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Hypertext Markup Language (HTML) is the standard markup language for creating web pages and web applications. With Cascading Style sheets (CSS) and JavaScripts, it forms a triad of cornerstone technologies for the World Wide Web (www).

HISTORY

In 1980s, IBM needs documentation system. So, in 1980 IBM was started development of GML(general markup language). In 1986, SGML (ISO, standard i.e., Standardized General markup Language) was developed. HTML was created by Sir Tim Berners-Lee in late 1991 but was not released officially, which was published in 1995 as HTML 2.0. HTML 4.01 was published in late 1999 and was a major version of HTML.


HTML page save with ".html" Extension. For example if a file name is "homepage" than save with "homepage.html" extension.

  • To carry data and define layout.
  • Predefined tag.
  • Not case sensitive.
  • The browser does not tell error in code.

Basic page format

<html>
  <head>
      <title>define title for page 
      </title>
  </head>
  <body>define body of page like
       <h1>My First Heading</h1>
       <p>My first paragraph.</p>
  </body>
</html>

 

Browser Compatibility


The HTML has basic support with the following browsers:

<html>
Yes
Yes
Yes
Yes
Yes
Yes
Yes

 

Points


  • An html element starts with a start tag/opening tag.
  • An html element end with an end tag/closing tag.
  • The element content is everything between start and end tag.
  • Some elements have empty content.
  • Empty elements are closed in start tag.
  • Most html elements can have attributes.