Friday, September 9, 2011

01 - Introduction to HTML

  What is HTML? 

  • HTML, which stands for HyperText Markup Language, is the predominant markup language for web pages. It provides a means to create structured documents by denoting structural semantics for text such as headings, paragraphs, lists etc as well as for links, quotes, and other items.
  • HTML is not a programming Language.
  • HTML uses markup tags to describe web pages Staring with HTML. For creating HTML web page u can take any text editor like Microsoft notepad, notepad ++ etc. My First Web Page

  Use of HTML:

HTML is  used to Create web pages which includes text, images, sounds and videos with the help of Tags.
HTML tags normally come in pairs like <h1> and </h1>. The first tag in a pair is the start tag, the second tag is the end tag (they are also called opening tags and closing tags). In between these tags web designers can add text, tables, images, etc. Web browsers are used to see or display web pages, there are many browser available like Internet Explorer, Mozilla, Chrome, Opera etc.

  History of HTML: source: wikipedia, infomesh

  • In 1989 Tim Lee wrote a memo proposing an Internet-based hypertext system.
  • The HTML that Tim invented was strongly based on SGML (Standard Generalized Mark-up Language), an internationally agreed upon method for marking up text into structural units such as paragraphs, headings, list items and so on.
  • The SGML elements used in Tim's HTML included P (paragraph); H1 through H6 (heading level 1 through heading level 6); OL (ordered lists); UL (unordered lists); LI (list items) and various others. What SGML does not include, of course, are hypertext links: the idea of using the anchor element with the HREF attribute was purely Tim's invention.
  • NCSA took the idea and decided to develop a browser of their own to be called Mosaic for displaying HTML containts
  • In April 1993, version 1 of the Mosaic browser was released for Sun Microsystems Inc.'s workstation, it added images, nested lists and fill-out forms.  
  • July 1994: HTML specification for HTML 2 is released.  
  • November 1994: Netscape is formed, which change the experience of browsing .
  • Late 1994: The World Wide Web Consortium forms.
  • March 1995: HTML 3.2 Comes with Table Concept.
  • August 1995: Microsoft's Internet Explorer browser comes out
  • November 1995: Style sheets for HTML documents begin to take shape
  •  Recent version of HTML is 5.0, but not implemented completely, because not all browsers support

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