All about : HTML
Ø HTML
stands for Hyper Text Markup Language. It is introduced by the "Tim Berners Lee " in 1990’s.
Ø Hypertext
means supertext (or) Special identity of easily into market. Markup
language means group of special tags.
Ø Versions of HTML:-
As per W3c recommendation, the following versions are
released into the market.
1)
HTML 1.0(1989-1994):- It is
the first version, It supports inline image style presentations etc.
2)
HTML 2.0(1995):- It supports
form controls backgrounds, tables etc.
3)
HTML 3.0(1997):- It supports
advanced tables & complex mathematical equations.
4)
HTML 4.0(1999):- This version
is supporting advanced style sheets & multimedia elements.
5)
HTML 5.0(2009-10):- It is web
platform, It is combination of Technologies.
Features of HTML:-
Html
is not a Language or not a Scripting language. It is Hypertext Resources, It
has the following list of features:
It
is a Global Language understand by all browsers.
It
is extracted from SGML.
It
is not a case sensitive language.
It
is used to design the static web pages. Because It contains
static tags. These tags are also called as mark up tags.
The
web pages can be opened in the browsers. (Microsoft Internet Explorer, Mozilla
Firefox, Google Chrome, Safari, Netscape Navigator etc.)
It
is the interpreted language. The html code is interpreted by the browser at run
time.
HTML
is error free language If you pass any invalid tag, browser ignores that.
HTML
syntax is in the form of tags.
Ø Program execution
starts from HTML tag.
HTML Program
contains two sections:-
1. Head
Section:- Head section is majorly used for dynamic programming. In this we use
title tag and frameset tags. Title tag is used to display the title in a
browser. Frameset tag is used to divide the browser into frames.
2. Body
Section:- Body Section contains static tags. Whatever you type in body it
performs the work under browser.
HTML Tags:-The text placed between left angular brace
(<) and right angular brace(>) is called as Tags.
Syntax:- <tagname> … </tagname>
<html></html>
Tags are are classified into 2 types:
1. Container
Tags
2. Empty
Tags
Container
Tags:- The Tags which is having opening and
closing tags are called container tags.
<html></html>
Etc
Note:-
The closing tags always starts with a forward slash(/).
Empty
Tags:- The tags which contains only opening but no
closing is known as Empty Tags.
Ex:-<br/>
<hr/>
<img/>
Structure of HTML Document:-
<html>
<head>
<title>
My
Web Page
</title>
</head>
<body>
contents
</body>
</html>
Every
HTML document contains mainly the following parts:
1.
Opening tags
2.
Contents
3.
Closing tags
1. How to write a HTML Program?
A) Open the Notepad, then write the program
Ex:-
<html>
<head>
<title>Welcome</title>
</head>
<body>
Welcome to YourCodeBook
</body>
</html>
Then save(Ctrl+s) In save in location give the
path D:\
Filename: 1.html
save as type:
all files
then click save
after go to the D:\1.html is shown like
internet explorer symbol. (suppose your system contains other browsers it shows
with default browser icon.)
2. How to run the html program?
Double click on D:\1.html internet explorer
symbol. It opens.
How to see the program from browser?
Alt+v (View menu) ->Source
(or)
Right click on browser body select view page
source.
3. How to modify the program?
Goto the D:\1.html internet explorer symbol
right click on it -> open with->notepad.
If you want to modify then give the
modifications click save then exit goto the browser press F5 in browser. We can
observe the changes.
- - Sandeep Simeon
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