An-Introduction-to-HTML

iFour Consultancy
HTML (Hyper Text Markup Language)
https://www.ifourtechnolab.com/

Introduction To HTML
 What Is HTML?
• Markup language for describing web pages
• HTML stands for Hyper Text Markup Language, a language with set of markup tags
• Documents are described by HTML tags
• Each HTML tag describes different document content
•A markup language is a set of markup tags
•A markup language is a set of markup tags

Creating HTML Pages
 An HTML file must have an .htm or .html file extension
 HTML files can be created with text editors:
• NotePad, NotePad ++, PSPad
 Or HTML editors (WYSIWYG Editors):
• Microsoft FrontPage
• Macromedia Dreamweaver
• Netscape Composer
• Microsoft Word
• Visual Studio
3

HTML Structure
 HTML is comprised of “elements” and “tags”
• Begins with <html> and ends with </html>
 Elements (tags) are nested one inside another:
 Tags have attributes:
 HTML describes structure using two main sections: <head> and <body>
4
<html> <head></head> <body></body> </html>
<img src="logo.jpg" alt="logo" />

HTML Code Formatting
 The HTML source code should be formatted to increase readability and facilitate
debugging
• Every block element should start on a new line
• Every nested (block) element should be indented
• Browsers ignore multiple whitespaces in the page source, so formatting is harmless
 For performance reasons, formatting can be sacrificed
5

First HTML Page
6
<!DOCTYPE HTML>
<html>
<head>
<title>My First HTML Page</title>
</head>
<body>
This is some text...
</body>
</html>
Test.html

First HTML Page: Tags
7
Opening tag
Closing tag
 An HTML element consists of an opening tag, a closing tag and the content
inside.
<!DOCTYPE HTML>
<html>
<head>
</head>
<body>
</body>
</html>

<!DOCTYPE HTML>
<html>
<head>
</head>
<body>
</body>
</html>
First HTML Page: Header
8
HTML header

<!DOCTYPE HTML>
<html>
<head>
</head>
<body>
</body>
</html>
First HTML Page: Body
9
HTML body

Some Simple Tags
 Hyperlink tags
 Image tags
 Text formatting tags
10
<a href="http://www.telerik.com/"
title="Telerik">Link to Telerik Web site</a>
<img src="logo.gif" alt="logo" />
This text is emphasized.
 new line 
This one is more emphasized.

Tags Attributes
 Tags can have attributes
• Attributes specify properties and behavior
• Example:
 Few attributes can apply to every element:
• Id, style, class, title
• The id is unique in the document
• Content of title attribute is displayed as hint when the element is hovered with the
mouse
• Some elements have obligatory attributes
11
<img src="logo.gif" alt="logo" />
Attribute alt with value "logo"

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An-Introduction-to-HTML

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