A brief history
IBM wanted to set a documentation system in which we can mark the title, headings, paragraphs and front type selection in the 1980s. Bacon out with a set of markup system called it general markup language (gml).In1986, International Standardizing organisation ( ISO). Talk up Desh concept and standardized it as standard generalized markup language ( SGML). IN 1989, Tim Berners Lee and his team in the European laboratory for particle physics ( CERR) Design ed the present form of the documentation language and called it HTML.
HTML Tags
When a webpage is to be developed the following are to be planned
1. Content of the page
2. Appearance of the Page
HTML tags and their attributes
An HTML tag is a word specifying the appearance of the content. The following are the silent features of an HTML tag:
1. A tag is enclosed between the <and> symbols. For examples are < head >, < h1 >, < o1 >.
2. Most of the tags have end tag, which begins with </. For example < h1 > is the end tag for < h1 >.
A tag may have some attributes. Attributes are the properties of the tag. For example, consider the < hr > tag. This tag is for drawing the horizontal ruling (horizontal line ) . this tag consider the following attributes.
1 size ( thickness of the line)
2 width
3 alignment
These are represented as follows:
< hr size= 10 width=25% align = LEFT >
HTML DOCUMENTS
A every HTML document it with the < HTML > tag and ends with the corresponding end tag < /HTML > document has the following two section.
¹.Head
².Body
The head section given with the< head > tag and end with < /head> tag. In the head section title is the most important item. The title begins with < title > and ends with </title >.
2.4 HEADER SECTION every HTML document must have a head section which begins with the tag <head> and ends with </head >. The following are some important components of the head section.
1.Title
2. Prologue
3. Links
2.4.1. Title Tag The title is the heading that appears as the title of the window. It is enclosed between the tags < title > and </ head >.
2.4.2 Prologue
Prologue is only a comment, which can tell about the HTML version that is adopted for preparing the document. A prologue is given as shown below.
< ! Doctype HTML 4.0 >
2.4.3. Links
The Link tag can be used for following purposes
1 to inform the browsers the previous document
2 to inform the browser the next document
³ To link the banner
4 To inform the location of the base document location
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