HTML and HTML5 Online Course

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HTML 5 Training:

HyperText Markup Language: Super Programming Language for Effective Web Designing

HTML stands for HyperText Markup Language. This is the most basic building block of a webpage. It is used for creating and representing the webpage visually. HTML determines the content of the webpage. It does not support functionality. HTML is adding a mark up to standard text. HyperText stands for the links that associate web pages with each other, making World Wide Web what it is. HTML supports media such as visual images and static as well as dynamic websites can be viewed through it.

HTML describes the structure and semantic content of the web document. When you look at a webpage, it contains more than just plan text. Consider the numerous fonts, font sizes, alphabets and colors. Webpages also comprise videos, images and background music. Websites let visitors customize their preferences too. Developers write webpages in HTML without which there would be no web pages. HTML specification essentially includes a single language that can be written with relaxed HTML syntax or stricter XML syntax.

HTML addresses the need of web applications and it is responsible for the content, not the formatting or style. For the latter, CSS or Cascading Style Sheets are needed. But the basics of any webpage is determined by HTML.

History of HTML 5 Training:

CERN or European Organization for Nuclear Research physicist Tim Berners-Lee has discovered a way in the late 1980s for scientists to get documents via the internet. Earlier, internet communication is limited to plain text, through technologies such as email, file transfer protocol and usenet linked discussion boards. What made HTML a step ahead was its content model stored on a central server which was transferable to local workstations and viewable in browsers, making rich content a reality. This includes complicated text formatting and images. HTML is derived from SGML, a complex syntax for marking or binding content.

• HTML 5 tutorials: Markup Language with Clear Syntax

HTML is a markup language. The term marlin was used by editors for revisions in manuscripts. It now means a language with a specific syntax providing instructions on a Web browser how to display pages.

• HTML 5 tutorials: Separating the Content from Presentation

HTML separates content form presentation. Content refers to video, audio, worlds and images while presentations refer to instructions for displaying certain types of content. Pre-defined set of elements have been used to define content types and elements containing one/more tags contain or express content.

The tags are placed within angle brackets and closing tags comment with forward slashes. Browsers also permit the user to view the HTML of the webpage. This includes popular choices such as Firefox.

• Decoding HTML 5 tutorials: Elements and Attributes

In HTML, a paragraph element comprises a start and closing tag. More than one space character in a row will not be displayed by the robber. Browser uses tags to display content in the tags. Elements containing content also contain other elements. Emphasis element can be embedded within paragraph element to add emphasis for a world or a phrase. Note that certain elements cannot contain other elements. For instance, the image tag specifics the filename of the content as an attribute.

• Fundamental building blocks of HTML- Elements

HTML comprises series of elements which are associated with the semantic meaning of their content. Elements include matching tags and everything in between. Some self closing tags do not contain any content. Certain elements have precise meaning while others are more specific. Some elements are used for technical reasons. Regardless of what the exact nature, all HTML elements have semantic undercurrents. Many of the elements contain other elements thereby forming a hierarchical structure.

• HTML: Like a Tree with Branches

The <html> element surrounds the remainder of the document and the <body> elements cover the page content. The structure is like a tree with branches growing from the trunk. This hierarchical tree like structure is called Document Object Model.

• Tags: HTML’s Special Markup

HTML documents are composed in plain text and you can save contents of HTML within any text editor. Most HTML authors prefer specialized editors that showcase syntax and reveal the DOM. Uppercase can be used for tag names but W3C, the international consortium managing HTML recommended the use of lower case.

Tags are those markup which create special meaning for anything that starts with a less than sign and ends with a greater than sign. Closing the tag is important otherwise some tags are closed by default while others produce errors of different kinds if you forget the end tag. Closing tags are like starting tags except with a forward slash. Writing elements in HTML involves the use of tags. There are valid and invalid tags. For composing valid code, start and closing tags need to be be properly nested in that close tags are composed in the opposite order from robust tags. Elements which do not contain any text content or any other element are empty and need no closing tag. Empty elements in XHTML mode are closed using a trailing forward slash.

• Attributes-Additional Information

Start tag contains additional information which is known as an attribute. Attribute comprises 2 parts namely an attribute name and value. Certain attributes have only one value and these are Boolean attributes which can be reduced in size by specifying the attribute name or leaving an attribute value empty.

• Named Character References: Special Meaning in HTML

Named character references referred to as entities are used for printing special characters in HTML. The less and greater than symbols act as tag delimiters and when a greater than symbol needs to be displayed in the text, for example, a named character reference is used.

There are many different kinds of entities and here are 4 examples:

Greater than Sign: &gt;

Less than Sign: &lt;

Ampersand: &amp;

Double quote-&quot;

• Comments and Doctype: An HTML Innovation

HTML has a mechanism that enabled the embedding of comments not displayed when the page is rendered via a browser. This is helpful for providing an section explanation leaving notes or reminders for self or others.

Common HTML Errors… And How to Correct These

#1 Missing/Incorrect DocType

DocType informs the browser what version of HTML is being used by the page. This Document Type Definition specifies the rules for that version of HTML. The DocType is the first line of the HTML code and it is case sensitive. So take care while specifying the DocType.

#2 Missing Character Encoding

The web pages should define the character set being used. While character sets are technical, they tell the Web browser the nature of characters used in the page. Character encoding informs the user agent regarding the kind of data to be read and displayed.

# 3 Non-supported attributes or tags

Using codes not part of HTML standards are not appropriate. Many attributes of HTML tags are there which browsers may recognize but are not part of the HTML standard. Commonly used attributes that are improper are attributes in the tags that modify margin size. Tags and attributes differ depending upon the version of HTML being developed. Check of your page contains unsupported HTML tags or attributes.

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