The Complete HTML

HTMLHyper Text Markup Language

By: Rohit Buddabathina

IntroductionWhat is HTML?• HTML is the standard markup language for creating Web pages.• HTML stands for Hyper Text Markup Language• HTML describes the structure of Web pages using markup• HTML elements are the building blocks of HTML pages• HTML elements are represented by tags• HTML tags label pieces of content such as "heading", "paragraph", "table", and

so on• Browsers do not display the HTML tags, but use them to render the content of

the page

History• In 1980, physicist Tim Berners-Lee, a contractor at CERN, proposed and

prototyped ENQUIRE, a system for CERN researchers to use and share documents. • In 1989, Berners-Lee wrote a memo proposing an Internet-based hypertext

system.Berners-Lee specified HTML and wrote the browser and server software in late 1990. That year, Berners-Lee and CERN data systems engineer Robert Cailliau collaborated on a joint request for funding, but the project was not formally adopted by CERN. In his personal notes from 1990 he listed "some of the many areas in which hypertext is used" and put an encyclopedia first.

https://en.wikipedia.org/wiki/Tim_Berners-Lee

https://en.wikipedia.org/wiki/CERN

https://en.wikipedia.org/wiki/ENQUIRE

https://en.wikipedia.org/wiki/Internet

https://en.wikipedia.org/wiki/Hypertext

https://en.wikipedia.org/wiki/Robert_Cailliau

Version YearHTML 1991HTML 2.0 1995HTML 3.2 1997HTML 4.01 1999XHTML 2000HTML5 2014

HTML Versions

Structure

<!DOCTYPE html>

<html>

<head>

<title>Page Title</title>

</head>

<body>

</body>

</html>

The <!DOCTYPE> Declaration

• The <!DOCTYPE> declaration represents the document type, and helps browsers to display web pages correctly.• It must only appear once, at the top of the page

(before any HTML tags).• The <!DOCTYPE> declaration is not case sensitive.

Tags or Elements

Attributes• Attributes provide additional information about the contents of an

element. They appear on the opening tag of the element and are made up of two parts: a name and a value, separated by an equals sign.

HTML Editors

• Write HTML Using Notepad or TextEdit• Web pages can be created and modified by using professional HTML

editors.• However, for learning HTML we recommend a simple text editor like

Notepad (PC) or TextEdit (Mac).• We believe using a simple text editor is a good way to learn HTML.

Save the HTML Page• Save the file on your computer. Select File > Save as in the Notepad

menu.• Name the file "index.htm" and set the encoding to UTF-8 (which is

the preferred encoding for HTML files).

View the HTML Page in Your Browser• Open the saved HTML file in your favorite browser (double click on

the file, or right-click - and choose "Open with").• The result will look much like this:

HTML Headings

HTML Paragraphs

Bold Text

Italic Text

SuperScript & SubScript

White Space

Line Breaks

<br />

Horizontal Rules

<hr />

Comments

• Comment tags are used to insert comments in the HTML source code.• Notice that there is an exclamation point (!) in the opening tag, but

not in the closing tag.• Comments are not displayed by the browser, but they can help

document your HTML source code.



Links• HTML links are hyperlinks.• You can click on a link and jump to another document.• When you move the mouse over a link, the mouse arrow will turn into

a little hand.Note: A link does not have to be text. It can be an image or any other HTML element.

Result

Images• In HTML, images are defined with the <img> tag.• The <img> tag is empty, it contains attributes only, and does not have

a closing tag.

<img src="url“ >

Tables• An HTML table is defined with the <table> tag.• Each table row is defined with the <tr> tag. A table header is defined

with the <th> tag. By default, table headings are bold and centered. A table data/cell is defined with the <td> tag.

<table> <tr> <td>Something…</td> </tr></table>

Table – Column Spanning

Table – Row Spanning

Lists

•Ordered lists•Unordered lists

Ordered Lists

Unordered lists

Blocks

• The <div> Element• The <div> element is often used as a container for other HTML

elements.• The <div> element has no required attributes, but

both style and class are common.• When used together with CSS, the <div> element can be used to style

blocks of content

Forms

• The <form> Element• The HTML <form> element defines a form that is used to collect user

input:

<form>.form elements.</form>

Type Description<input type="text"> Defines a one-line text input field<input type="radio"> Defines a radio button (for

selecting one of many choices)<input type="submit"> Defines a submit button (for

submitting the form)

The <input> ElementThe <input> element is the most important form element.The <input> element can be displayed in several ways, depending on the type attribute.Here are some examples:

Text Input• <input type="text"> defines a one-line input field for text input

Input Type Password• <input type="password"> defines a password field

Radio Button Input• <input type="radio"> defines a radio button.• Radio buttons let a user select ONE of a limited number of choices:

Input Type Checkbox• <input type="checkbox"> defines a checkbox.• Checkboxes let a user select ZERO or MORE options of a limited

number of choices.

The Submit Button• <input type="submit"> defines a button for submitting the form data

to a form-handler.• The form-handler is typically a server page with a script for processing

input data.• The form-handler is specified in the form's action attribute:

Input Type Reset• <input type="reset"> defines a reset button that will reset all form

values to their default values

The Action Attribute

• The action attribute defines the action to be performed when the form is submitted.• Normally, the form data is sent to a web page on the server when the user

clicks on the submit button.• In the example above, the form data is sent to a page on the server called

"action_page.php". This page contains a server-side script that handles the form data:

<form action="action_page.php">

• If the action attribute is omitted, the action is set to the current page.

The <select> Element• The <select> element defines a drop-down list• The <option> elements defines an option that can be selected.• By default, the first item in the drop-down list is selected.

The <textarea> Element• The <textarea> element defines a multi-line input field (a text area)• The rows attribute specifies the visible number of lines in a text area.• The cols attribute specifies the visible width of a text area.

The <button> Element• The <button> element defines a clickable button

AudioAudio on the Web• Before HTML5, audio files could only be played in a browser with a plug-in

(like flash).• The HTML5 <audio> element specifies a standard way to embed audio in a

web page.HTML Audio - How It Works• The controls attribute adds audio controls, like play, pause, and volume.• The <source> element allows you to specify alternative audio files which

the browser may choose from. The browser will use the first recognized format.• The text between the <audio> and </audio> tags will only be displayed in

browsers that do not support the <audio> element.

VideoPlaying Videos in HTML:• Before HTML5, a video could only be played in a browser with a plug-in (like

flash).• The HTML5 <video> element specifies a standard way to embed a video in a

web page.How it Works:• The controls attribute adds video controls, like play, pause, and volume.• It is a good idea to always include width and height attributes. If height and

width are not set, the page might flicker while the video loads.• The <source> element allows you to specify alternative video files which the

browser may choose from. The browser will use the first recognized format.• The text between the <video> and </video> tags will only be displayed in

browsers that do not support the <video> element.

IAM NOT SAYING

THE END

Rohit Buddabathina