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  • What we will see here?
     
    • Html Introduction
    • Html Basics
    • Html Elements
    • Html Attributes

 

 

Html Introduction

 

What is HTML?

 

HTML is a language for describing web pages.

 

  • HTML stands for Hyper Text Markup Language
  • HTML is not a programming language, it is a markup language
  • A markup language is a set of markup tags
  • HTML uses markup tags to describe web pages

 


 

 

HTML Tags

 

HTML markup tags are usually called HTML tags

 

  • HTML tags are keywords surrounded by angle brackets like <html>
  • HTML tags normally come in pairs like <b> and </b>
  • The first tag in a pair is the start tag, the second tag is the end tag
  • Start and end tags are also called opening tags and closing tags

 


 

 

HTML Documents = Web Pages

 

  • HTML documents describe web pages
  • HTML documents contain HTML tags and plain text
  • HTML documents are also called web pages

The purpose of a web browser (like Internet Explorer or Firefox) is to read HTML documents and display them as web pages. The browser does not display the HTML tags, but uses the tags to interpret the content of the page:

 

<html>
<body>

<h1>My First Heading</h1>

<p>My first paragraph.</p>

</body>
</html>

 

Example Explained

 

  • The text between <html> and </html> describes the web page
  • The text between <body> and </body> is the visible page content
  • The text between <h1> and </h1> is displayed as a heading
  • The text between <p> and </p> is displayed as a paragraph

 

 



 

Html Basics

 

 

HTML Headings

 

HTML headings are defined with the <h1> to <h6> tags.

 

<h1>This is a heading</h1>
<h2>This is a heading</h2>
<h3>This is a heading</h3>

 


 

HTML Paragraphs

 

HTML paragraphs are defined with the <p> tag.

 

<p>This is a paragraph.</p>
<p>This is another paragraph.</p>

 


 

HTML Images

 

HTML images are defined with the <img> tag.

 

<img src="worldb0x.jpg" width="104" height="142" />

 



 

HTML Elements

 

An HTML element is everything from the start tag to the end tag:

 

[table]

[tr]

[td]Start tag *[/td]

[td]Element content[/td]

[td]End tag *[/td]

[/tr]

[tr]

[td]<p>[/td]

[td]This is a paragraph[/td]

[td]</p>[/td]

[/tr]

[tr]

[td]<a href="default.htm" >[/td]

[td]This is a link[/td]

[td]</a>[/td]

[/tr]

[tr]

[td]<br />[/td]

[td][/td]

[td][/td]

[/tr]

[/table]

 

* The start tag is often called the opening tag. The end tag is often called the closing tag.

 


 

HTML Element Syntax

 

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

 


 

Nested HTML Elements

 

Most HTML elements can be nested (can contain other HTML elements).

 

HTML documents consist of nested HTML elements.

 


 

NHTML Document Example

 

<html>

<body>
<p>This is my first paragraph.</p>
</body>

</html>

 

The example above contains 3 HTML elements.

 


 

HTML Example Explained

 

The <p> element:

<p>This is my first paragraph.</p>

 

The <p> element defines a paragraph in the HTML document.

The element has a start tag <p> and an end tag </p>.

The element content is: This is my first paragraph.

 

The <body> element:

<body>
<p>This is my first paragraph.</p>
</body>

 

The <body> element defines the body of the HTML document.

The element has a start tag <body> and an end tag </body>.

The element content is another HTML element (a p element).

 

The <html> element:

<html>

<body>
<p>This is my first paragraph.</p>
</body>

</html>

 

The <html> element defines the whole HTML document.

The element has a start tag <html> and an end tag </html>.

The element content is another HTML element (the body element).

 



 

HTML Attributes

 

  • HTML elements can have attributes
  • Attributes provide additional information about an element
  • Attributes are always specified in the start tag
  • Attributes come in name/value pairs like: name="value"

 

Attribute Example

 

HTML links are defined with the <a> tag. The link address is specified in the href attribute:

<a href="http://www.worldb0x.com">This is a link</a>

 

Credits: to ◦Cobra◦!

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