Programming in Web Development
Web Development Programming helps in developing a web site for the internet (WWW) or an intranet (i.e. private networks). This includes web content, web design, client side/server side scripting, web server, network security etc. Web development ranges from a simple static page of plain text to the complex web based electronic businesses, internet applications, social network services etc. Various Web Development Languages are discussed below.
HTML
HTML is a short form of Hyper Text Mark-up Language. It is considered to be the basic building block for a web page.
HTML defines the layout and the structure of the Web document thereby using several tags and options. An HTML document’s structure would be like:
<HTML>
<HEAD>
<BODY>
Enter here whatever is the document all about
</BODY>
</HTML>
Hence we see that all the information that we would like to give in our web bage in written between the <BODY> and </BODY> tags.
HTML helps to create an interactive form by embedding the images and objects. A structured document can be created using HTML as it has various semantic such as heading, paragraphs, links, lists, quotes etc. There are also tags available to create hypertext links. This allows the web developers to provide the users with the feature of navigating from one page to other by only just a click of mouse either on the image or on the words. HTL can also embed scripting languages such as JavaScript which affect the behaviour of the HTML page.
The web browser is the one that reads the HTML documents and converts them into suitable visual or audible web pages. The browser interprets the HTML tags and thus displays the content accordingly.
DHTML
DHTML stands for Dynamic Hypertext Mark-up Language. It is collection of technologies that can be used together to create an animated and interactive web site there by using a combination of client side scripting language such as JavaScript, static mark-up language such as HTML, Document Object Model, and presentation definition language such as CSS.
DHTML creates a dynamic web page. A dynamic web page is one that can be generated differently for each user, specific variable values, and load occurrence. This includes the pages created by server side scripting as well as the ones created by client-side scripting where the web servers generates the content before sending it to the client.
XML
XML is a short form of Extensible Mark-up Language. XML was originally designed to fulfil the challenges of large scale electronic publishing. However, XML is now also playing a very important role in exchanging wide variety of data on Web.XML has a textual data format that has strong support via Unicode for several languages.
Several API’s have been developed which are used by software developers to process XML data.
PHP
PHP is a very powerful tool which is used to make interactive and dynamic web pages. PHP is free of cost. It is widely used and is a very good alternative to Microsoft’s ASP. PHPH is basically a general purpose scripting language. Its code can be embedded into a HTML document and can be interpreted by a web server which contains a PHP processor module. PHP earlier stood for “Personal Home Page”, but now it stands for “PHP: Hypertext Processor”.