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Simple Tutorial on HTML by G.D. Infotech Amloh, Ph 9501385190
HTML – Hyper Text Markup Language
What is HTML?
HTML is a language for describing web pages.
 HTML stands for Hyper Text Markup Language
 HTML is a markup language
 A markup language is a set of markup tags
 The tags describe document content
 HTML documents contain HTML tags and plain text
 HTML documents are also called web pages
HTML Tags
HTML markup tags are usually called HTML tags
 HTML tags are keywords (tag names) 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
 The end tag is written like the start tag, with a forward slash before the tag name
 Start and end tags are also called opening tags and closing tags
HTML Elements
"HTML tags" and "HTML elements" are often used to describe the same thing.
But strictly speaking, an HTML element is everything between the start tag and the end tag, including the
tags:
HTML Element:
<p>This is a paragraph.</p>
Web Browsers
The purpose of a web browser (such as Google Chrome, Internet Explorer, Firefox, Safari) is to read HTML
documents and display them as web pages. The browser does not display the HTML tags, but uses the
tags to determine how the content of the HTML page is to be presented/displayed to the user:
HTML Page Structure
Below is a visualization of an HTML page structure:
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Simple Tutorial on HTML by G.D. Infotech Amloh, Ph 9501385190
<html>
<body>
<h1>This a heading</h1>
<p>This is a paragraph.</p>
<p>This is another paragraph.</p>
</body>
</html>
HTML Versions
Since the early days of the web, there have been many versions of HTML:
Version Year
HTML
1991
HTML+
1993
HTML 2.0 1995
HTML 3.2 1997
HTML 4.01 1999
XHTML
2000
HTML5
2012
The <!DOCTYPE> Declaration
The <!DOCTYPE> declaration helps the browser to display a web page correctly.
There are many different documents on the web, and a browser can only display an HTML page 100%
correctly if it knows the HTML type and version used.
Common Declarations
HTML5
<!DOCTYPE html>
HTML 4.01
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
XHTML 1.0
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
Writing HTML Using Notepad or TextEdit
HTML can be edited by using a professional HTML editor like:
 Adobe Dreamweaver
 Microsoft Expression Web
 CoffeeCup HTML Editor
However, for learning HTML we recommend a text editor like Notepad (PC) or TextEdit (Mac). We believe
using a simple text editor is a good way to learn HTML.
Follow the 4 steps below to create your first web page with Notepad.


Step 1: Start Notepad - To start Notepad go to: Start > All Programs > Accessories > Notepad
Step 2: Edit Your HTML with Notepad. Type your HTML code into your Notepad.
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

Step 3: Save Your HTML. Select Save as.. in Notepad's file menu. When you save an HTML file, you
can use either the .htm or the .html file extension. There is no difference, it is entirely up to you.
Save the file in a folder that is easy to remember, like w3schools.
Step 4: Run the HTML in Your Browser. Start your web browser and open your html file from the
File, Open menu, or just browse the folder and double-click your HTML file. The result should look
much like this:
HTML Headings
HTML headings are defined with the <h1> to <h6> tags.
Example
<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.
Example
<p>This is a paragraph.</p>
<p>This is another paragraph.</p>
HTML Links
HTML links are defined with the <a> tag. Example
<a href="http://www.w3schools.com">This is a link</a>
HTML Images
HTML images are defined with the <img> tag.
Example
<img src="w3schools.jpg" alt="W3Schools.com" width="104" height="142">
Note: The filename and the size of the image are provided as attributes.
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HTML Elements
An HTML element is everything from the start tag to the end tag:
Start tag *
Element content
End tag *
<p>
This is a paragraph
</p>
<a href="default.htm"> This is a link
</a>
<br>
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 such as <br>, <hr>
Empty elements are closed in the start tag such as <br />, <hr />
Most HTML elements can have attributes
Tip: You will learn about attributes in the following section of this book.
Nested HTML Elements
Most HTML elements can be nested (can contain other HTML elements). HTML documents consist
of nested HTML elements.
HTML Document Example
<!DOCTYPE html>
<html>
<body>
<p>This is my first paragraph.</p>
</body>
</html>
The example above contains 3 HTML elements.
Don't Forget the End Tag. Some HTML elements might display correctly even if you forget the end
tag:
<p>This is a paragraph
<p>This is a paragraph
The example above works in most browsers, because the closing tag is considered optional. Never
rely on this. Many HTML elements will produce unexpected results and/or errors if you forget the end
tag .
Empty HTML Elements
HTML elements with no content are called empty elements.
<br> is an empty element without a closing tag (the <br> tag defines a line break).
Tip: In XHTML, all elements must be closed. Adding a slash inside the start tag, like <br />, is the
proper way of closing empty elements in XHTML (and XML).
Tip: HTML tags are not case sensitive: <P> means the same as <p>. Many web sites use uppercase
HTML tags. W3Schools use lowercase tags because the World Wide Web Consortium (W3C)
recommends lowercase in HTML 4, and demands lowercase tags in XHTML.
HTML Attributes



HTML elements can have attributes
Attributes provide additional information about an element
Attributes are always specified in the start tag
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 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: Example
<a href="http://www.nlci.sanehwal.com">This is a link</a>
Always Quote Attribute Values
Tip: Attribute values should always be enclosed in quotes. Double style quotes are the most common,
but single style quotes are also allowed. In some rare situations, when the attribute value itself
contains quotes, it is necessary to use single quotes: name='John "ShotGun" Nelson'
Tip: Attribute names and attribute values are case-insensitive. However, the World Wide Web
Consortium (W3C) recommends lowercase attributes/attribute values in their HTML 4
recommendation. Newer versions of (X)HTML will demand lowercase attributes.
HTML Headings
Headings are defined with the <h1> to <h6> tags.
<h1> defines the most important heading. <h6> defines the least important heading.
Example
<h1>This is a heading</h1>
<h2>This is a heading</h2>
<h3>This is a heading</h3>
Tip: Browsers automatically add some empty space (a margin) before and after each heading.
Headings Are Important
Use HTML headings for headings only. Don't use headings to make text BIG or bold. Search engines use your
headings to index the structure and content of your web pages. Since users may skim your pages by its
headings, it is important to use headings to show the document structure.
H1 headings should be used as main headings, followed by H2 headings, then the less important H3
headings, and so on.
HTML Lines
The <hr> tag creates a horizontal line in an HTML page. The hr element can be used to separate content:
Example
<p>This is a paragraph.</p>
<hr>
<p>This is a paragraph.</p>
<hr>
<p>This is a paragraph.</p>
HTML Paragraphs
Paragraphs are defined with the <p> tag.
Example
<p>This is a paragraph</p>
<p>This is another paragraph</p>
HTML Line Breaks
Use the <br> tag if you want a line break (a new line) without starting a new paragraph. This creates an
empty HTML element.
Example
<p>This is<br />a para<br />graph with line breaks</p>
HTML Text Formatting Tags
Tag
<b>
Description
Defines bold text
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<em>
<i>
<small>
<strong>
<sub>
<sup>
<ins>
<del>
<mark>
Defines emphasized text
Defines a part of text in an alternate voice or mood
Defines smaller text
Defines important text
Defines subscripted text
Defines superscripted text
Defines inserted text (see example below)
Defines deleted text (see example below)
Defines marked/highlighted text
HTML "Computer Output" Tags
Tag
<code>
<kbd>
<samp>
<var>
<pre>
Description
Defines computer code text
Defines keyboard text
Defines sample computer code
Defines a variable
Defines preformatted text
HTML Citations, Quotations, and Definition Tags
Tag
<abbr>
<address>
<bdo>
<blockquote>
<q>
<cite>
Description
Defines an abbreviation or acronym
Defines contact information for the author/owner of a document
Defines the text direction
Defines a section that is quoted from another source
Defines an inline (short) quotation
Defines the title of a work
Defines a definition term
<dfn>
Example:
<p>My favorite color is <del>blue</del>
<ins>red</ins>!</p>
Example:
<!DOCTYPE html>
<html>
<body>
<em>Emphasized text</em><br>
<strong>Strong text</strong><br>
<dfn>Definition term</dfn><br>
<code>A piece of computer code</code><br>
<samp>Sample output from a computer
program</samp><br>
<kbd>Keyboard input</kbd><br>
<var>Variable</var>
</body>
</html>
Output:
My favourite color is blue red!
Output
Emphasized text
Strong text
Definition term
A piece of computer code
Sample output from a computer
program
Keyboard input
Variable
HTML Comment Tags
You can add comments to your HTML source by using the following syntax:

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HTML Hyperlinks (Links)
The HTML <a> tag defines a hyperlink. A hyperlink (or link) is a word, group of words, or image that you can
click on to jump to another document. When you move the cursor over a link in a Web page, the arrow will
turn into a little hand. The most important attribute of the <a> element is the href attribute, which indicates
the link's destination. By default, links will appear as follows in all browsers:
 An unvisited link is underlined and blue
 A visited link is underlined and purple
 An active link is underlined and red
HTML Link Syntax
The HTML code for a link is simple. It looks like this: <a href="url">Link text</a>
The href attribute specifies the destination of a link. Example
<a href="http://www.nlci.sanehwal.com/">Visit NLCI</a>
HTML Links - The target Attribute
The target attribute specifies where to open the linked document. The example below will open the linked
document in a new browser window or a new tab:
Example
<a href="http://www.nlci.sanehwal.com/" target="_blank">Visit NLCI</a>
HTML Links - The id Attribute
The id attribute can be used to create a bookmark inside an HTML document. Example
<a id="tips">Useful Tips Section</a>
Create a link to the "Useful Tips Section" inside the same document: <a href="#tips">Visit the Useful Tips
Section</a>
Or, create a link to the "Useful Tips Section" from another page:
<a href="http://www.nlci.sanehwal.com/html_links.htm#tips">
Visit the Useful Tips Section</a>
Target attribute of <a>:
<a target="_blank|_self|_parent|_top|framename">
Attribute Values of <a>
Value
_blank
_self
_parent
_top
framename
Description
Opens the linked document in a new window or tab
Opens the linked document in the same frame as it was clicked (this is default)
Opens the linked document in the parent frame
Opens the linked document in the full body of the window
Opens the linked document in a named frame
Download attribute of <a>
Download file when clicking on the link (instead of navigating to the file):
<a href="/images/nlcilogo.jpg" download>
<abbr> tag
The <abbr> tag indicates an abbreviation or an acronym, like "WWW" or "NATO". By marking up
abbreviations you can give useful information to browsers, spell checkers, translation systems and searchengine indexers. Example
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<!DOCTYPE html>
<html>
<body>
<p>The <abbr title="World Health Organization">WHO</abbr> was founded in 1948.</p>
</body>
</html>
<image> tag
In HTML, images are defined with the <img> tag. The <img> tag is empty, which means that it contains
attributes only, and has no closing tag. To display an image on a page, you need to use the src attribute. Src
stands for "source". The value of the src attribute is the URL of the image you want to display. Syntax for
defining an image:
<img src="url" alt="some_text">
The URL points to the location where the image is stored. An image named "nlcilogo.gif", located in the
"images" directory on "www.nlci.sanehwal.com" has the URL:
http://www.nlci.sanehwal.com/images/nlcilogo.gif.
The browser displays the image where the <img> tag occurs in the document. If you put an image tag
between two paragraphs, the browser shows the first paragraph, then the image, and then the second
paragraph.
HTML Images - The Alt Attribute
The required alt attribute specifies an alternate text for an image, if the image cannot be displayed. The
value of the alt attribute is an author-defined text: <img src="smiley.gif" alt="Smiley face">
The alt attribute provides alternative information for an image if a user for some reason cannot view it
(because of slow connection, an error in the src attribute, or if the user uses a screen reader).
HTML Images - Set Height and Width of an Image
The height and width attributes are used to specify the height and width of an image. The attribute values
are specified in pixels by default:
<img src="smiley.gif" alt="Smiley face" width="42" height="42">
Tip: It is a good practice to specify both the height and width attributes for an image. If these
attributes are set, the space required for the image is reserved when the page is loaded. However,
without these attributes, the browser does not know the size of the image. The effect will be that the
page layout will change during loading (while the images load).
Note: If an HTML file contains ten images - eleven files are required to display the page right. Loading
images takes time, so my best advice is: Use images carefully.
Note: When a web page is loaded, it is the browser, at that moment, that actually gets the image
from a web server and inserts it into the page. Therefore, make sure that the images actually stay in
the same spot in relation to the web page, otherwise your visitors will get a broken link icon. The
broken link icon is shown if the browser cannot find the image.
HTML Tables
Tables are defined with the <table> tag. A table is divided into rows with the <tr> tag. (tr stands for table
row). A row is divided into data cells with the <td> tag. (td stands for table data). A row can also be divided
into headings with the <th> tag. (th stands for table heading). The <td> elements are the data containers in
the table. The <td> elements can contain all sorts of HTML elements like text, images, lists, other tables, etc.
The width of a table can be defined using CSS.
Example
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<table style="width:300px">
<tr>
<td>Jill</td>
<td>Smith</td>
<td>50</td>
</tr>
<tr>
<td>Eve</td>
<td>Jackson</td>
<td>94</td>
</tr>
</table>
An HTML Table with a Border Attribute
If you do not specify a border for the table, it will be displayed without borders. A border can be added using
the border attribute: Example
<table border="1" style="width:300px">
<tr>
<td>Jill</td>
<td>Smith</td>
<td>50</td>
</tr>
<tr>
<td>Eve</td>
<td>Jackson</td>
<td>94</td>
</tr>
</table>
However, the border attribute is on its way out of the HTML standard! It is better to use CSS.To add
borders with CSS, use the border property:
Example
<style>
table,th,td
{
border:1px solid black;
}
</style>
Remember to define borders for both the table and the table cells.
An HTML Table with Collapsed Borders
If you want the borders to collapse into one border, add border-collapse to your CSS: Example
<style>
table,th,td
{
border:1px solid black;
border-collapse:collapse
}
</style>
An HTML Table with Cell Padding
Cell padding specifies the space between the cell content and its borders. If you do not specify a padding,
the table cells will be displayed without padding. To set the padding, use the CSS padding property: Example
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th,td
{
padding:15px;
}
HTML Table Headings
Table headings are defined with the <th> tag. By default, all major browsers display table headings as bold
and centered:
Example
<table style="width:300px">
<tr>
<th>Firstname</th>
<th>Lastname</th>
<th>Points</th>
</tr>
<tr>
<td>Eve</td>
<td>Jackson</td>
<td>94</td>
</tr>
</table>
To left-align the table headings, use the CSS text-align property: Example
th
{
text-align:left;
}
An HTML Table with Cell Spacing
Cell spacing specifies the space between the cells. To set the cell spacing for the table, use the CSS borderspacing property:
Example
table
{
border-spacing:5px;
}
The most common HTML lists are ordered and unordered lists:
HTML Lists
An ordered list:
1. The first list item
2. The second list item
3. The third list item
Example of Ordered List
An unordered list:
 List item
 List item
 List item
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<!DOCTYPE html>
<html>
<body>
<h4>An Ordered List:</h4>
<ol>
<li>Coffee</li>
<li>Tea</li>
<li>Milk</li>
</ol>
</body>
</html>
Example of unordered List
<!DOCTYPE html>
<html>
<body>
<h4>An Unordered List:</h4>
<ul>
<li>Coffee</li>
<li>Tea</li>
<li>Milk</li>
</ul>
</body>
</html>
HTML Description Lists
A description list is a list of terms/names, with a description of each term/name. The <dl> tag defines a
description list. The <dl> tag is used in conjunction with <dt> (defines terms/names) and <dd> (describes
each term/name):
<dl>
<dt>Coffee</dt>
<dd>- black hot drink</dd>
<dt>Milk</dt>
<dd>- white cold drink</dd>
</dl>
Output in browser will look like :
Coffee
- black hot drink
Milk
- white cold drink
HTML Block Elements
Most HTML elements are defined as block level elements or as inline elements. Block level elements
normally start (and end) with a new line when displayed in a browser. Examples: <h1>, <p>, <ul>, <table>
HTML Inline Elements
Inline elements are normally displayed without starting a new line. Examples: <b>, <td>, <a>, <img>
The HTML <div> Element
The HTML <div> element is a block level element that can be used as a container for grouping other HTML
elements. The <div> element has no special meaning. Except that, because it is a block level element, the
browser will display a line break before and after it. When used together with CSS, the <div> element can be
used to set style attributes to large blocks of content. Another common use of the <div> element, is for
document layout. It replaces the "old way" of defining layout using tables. Using <table> elements for layout
is not the correct use of <table>. The purpose of the <table> element is to display tabular data.
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The HTML <span> Element
The HTML <span> element is an inline element that can be used as a container for text. The <span> element
has no special meaning. When used together with CSS, the <span> element can be used to set style
attributes to parts of the text.
Designing Layout of your Web page
Web page layout is very important to make your website look good. Design your webpage layout very
carefully. Most websites have put their content in multiple columns (formatted like a magazine or
newspaper). Multiple columns are created by using <div> elements. CSS are used to position elements, or to
create backgrounds or colorful look for the pages.
Example
<!DOCTYPE html>
<html>
<body>
<div id="container" style="width:500px">
<div id="header" style="background-color:#FFA500;">
<h1 style="margin-bottom:0;">Main Title of Web Page</h1></div>
<div id="menu" style="background-color:#FFD700;height:200px;width:100px;float:left;">
<b>Menu</b><br>
HTML<br>
CSS<br>
JavaScript</div>
<div id="content" style="background-color:#EEEEEE;height:200px;width:400px;float:left;">
Content goes here</div>
<div id="footer" style="background-color:#FFA500;clear:both;text-align:center;">
Copyright © nlci.sanehwal.com</div>
</div>
</body>
</html>
The HTML code above will produce the following result:
However the similar result can be obtained by using table tags also. As in following example:
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<!DOCTYPE html>
<html>
<body>
<table style="width:500px;" cellpadding="0" cellspacing="0">
<tr>
<td colspan="2" style="background-color:#FFA500;">
<h1 style="margin:0;padding:0;">Main Title of Web Page</h1>
</td>
</tr>
<tr>
<td style="background-color:#FFD700;width:100px;vertical-align:top;">
<b>Menu</b><br>
HTML<br>
CSS<br>
JavaScript
</td>
<td style="background-color:#eeeeee;height:200px;width:400px;vertical-align:top;">
Content goes here</td>
</tr>
<tr>
<td colspan="2" style="background-color:#FFA500;text-align:center;">
Copyright © W3Schools.com</td>
</tr>
</table>
</body>
</html>
The <span> tag
The <span> tag is used to group inline-elements in a document. The <span> tag provides no visual change by
itself. The <span> tag provides a way to add a hook to a part of a text or a part of a document.
Tip: When a text is hooked in a <span> element, you can style it with CSS, or manipulate it with
JavaScript.
HTML Forms
HTML forms are used to pass data to a server. An HTML form can contain input elements like text fields,
checkboxes, radio-buttons, submit buttons and more. A form can also contain select lists, textarea, fieldset,
legend, and label elements. The <form> tag is used to create an HTML form:
<form>
.
input elements
.
</form>
HTML Forms - The Input Element
The most important form element is the <input> element. The <input> element is used to select user
information. An <input> element can vary in many ways, depending on the type attribute. An <input>
element can be of type text field, checkbox, password, radio button, submit button, and more. The most
common input types are described below.
Text Fields
<input type="text"> defines a one-line input field that a user can enter text into:
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<form>
First name: <input type="text" name="firstname"><br>
Last name: <input type="text" name="lastname">
</form>
How the HTML code above looks in a browser:
Note: The default width of a text field is 20 characters.
Password Field
<form>
Password: <input type="password" name="pwd">
</form>
How the HTML code above looks in a browser:
Note: The characters in a password field are masked (shown as asterisks or circles).
Radio Buttons
<input type="radio"> defines a radio button. Radio buttons let a user select ONLY ONE of a limited number
of choices:
<form>
<input type="radio" name="sex" value="male">Male<br>
<input type="radio" name="sex" value="female">Female
</form>
How the HTML code above looks in a browser:
Checkboxes
<input type="checkbox"> defines a checkbox. Checkboxes let a user select ZERO or MORE options of a
limited number of choices.
<form>
<input type="checkbox" name="vehicle" value="Bike">I have a bike<br>
<input type="checkbox" name="vehicle" value="Car">I have a car
</form>
Submit Button
A submit button is used to send form data to a server. The data is sent to the page specified in the form's
action attribute. The file defined in the action attribute usually does something with the received input:
<form name="input" action="demo_form_action.asp" method="get">
Username: <input type="text" name="user">
<input type="submit" value="Submit">
</form>
If you type some characters in the text field above, and click the "Submit" button, the browser will send your
input to a page called "demo_form_action.asp". The page will show you the received input.
<textarea> Tag
<textarea rows="4" cols="50">
At NLCI Institute you will learn how to make a website. At NLCI we provide best coaching for Web Designing.
</textarea>
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Dropdown List
<!DOCTYPE html>
<html>
<body>
<form action="">
<select name="cars">
<option value="volvo">Volvo</option>
<option value="saab">Saab</option>
<option value="fiat" selected>Fiat</option>
<option value="audi">Audi</option>
</select>
</form>
</body>
</html>
Option Group
<select>
<optgroup label="Swedish Cars">
<option value="volvo">Volvo</option>
<option value="saab">Saab</option>
</optgroup>
<optgroup label="German Cars">
<option value="mercedes">Mercedes</option>
<option value="audi">Audi</option>
</optgroup>
</select>
<iframe> tag
An iframe is used to display a web page within a web page. Syntax for adding an iframe:
<iframe src="URL"></iframe>
The URL points to the location of the separate page.
iframe - Set Height and Width
The height and width attributes are used to specify the height and width of the iframe. The attribute values
are specified in pixels by default, but they can also be in percent (like "80%").
Example: <iframe src="demo_iframe.htm" width="200" height="200"></iframe>
iframe - Remove the Border
The frameborder attribute specifies whether or not to display a border around the iframe.
Set the attribute value to "0" to remove the border: Example
<iframe src="demo_iframe.htm" frameborder="0"></iframe>
Use iframe as a Target for a Link
An iframe can be used as the target frame for a link. The target attribute of a link must refer to the name
attribute of the iframe:
Example
<iframe src="demo_iframe.htm" name="iframe_a"></iframe>
<p><a href="http://www.nlci.sanehwal.com" target="iframe_a">Visit NLCI Online</a></p>
HTML Colors
Colors are displayed combining RED, GREEN, and BLUE light.
Color Values
CSS colors are defined using a hexadecimal (hex) notation for the combination of Red, Green, and Blue color
values (RGB). The lowest value that can be given to one of the light sources is 0 (hex 00). The highest value is
255 (hex FF). Hex values are written as 3 double digit numbers, starting with a # sign.
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Simple Tutorial on HTML by G.D. Infotech Amloh, Ph 9501385190
Color Examples
Color
Color HEX
#000000
#FF0000
#00FF00
#0000FF
#FFFF00
#00FFFF
#FF00FF
#C0C0C0
#FFFFFF
Color RGB
rgb(0,0,0)
rgb(255,0,0)
rgb(0,255,0)
rgb(0,0,255)
rgb(255,255,0)
rgb(0,255,255)
rgb(255,0,255)
rgb(192,192,192)
rgb(255,255,255)
16 Million Different Colors
The combination of Red, Green and Blue values from 0 to 255 gives a total of more than 16 million different
colors to play with (256 x 256 x 256). Most modern monitors are capable of displaying at least 16384
different colors.
Some Useful HTML Character Entities
<
>
&
¢
£
¥
€
©
®
non-breaking space
less than
greater than
ampersand
cent
pound
yen
euro
copyright
registered trademark
 
<
>
&
¢
£
¥
€
©
®
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