HTML 5

It was about 10 years of HTML 4.0 / HTML 4.01 is known in the world of web development, time to switch to HTML 5?

Year - this year is a period in which web technologies develop so rapidly. Important point of the current web technology is how a web application as an alternative to the more trusted to perform various forms of activities that used to only be done by desktop applications



Many things have been achieved by a web application up to this day, we often find a web application for office and business, a web-based online games, online document collaboration, and a series of other activities that may not have been imagined in the past. Technically, is still a limitation is the ability to access the web application level low operating and accessing computer systems, which of course also limited the browser as the client side.

May 2009, when Google announced a new service called Google Wave and demonstrated at the conference Google I / O, again made a breakthrough with the display capabilities impressive web applications, such as real-time collaboration between the website, or drag and drop images from desktop to the browser. Google Wave is an example of a web application that implements the HTML 5, HTML version will come to break the limitations of HTML for this

HTML from time to time

In contrast to the language / script complicated programming, HTML (Hypertext Markup Language) is a simple language, easy, structured, but often underestimated his ability, far below the JavaScript, especially server side scripting like PHP, the programming language. NET, and Java. HTML? Best just to make a table or form input, may thus be seen.

But talking about HTML, will not escape from one of the important role in the world of the Internet, HTML is a standard document that you present to the HTTP (Hypertext Transfer Protocol) a protocol that sends data from a web server to a web browser that allows document sharing, although users located in different continents

We are now using sophisticated class browser Firefox, Safari, or Google Chrome is capable of displaying interactive web content, might be surprised with the first penggun atempo already very satisfied with Mosaic, the popular web browser at the time - which has a remarkable ability (at the time), which can display images along with the inline text (because before that, the image is usually displayed separately from text) Mosaic display Example:



HTML version of the trip includes unique. The first HTML specification which includes 22 elements in 1991, followed by HTML +, HTML 2.0 and reached in 1995. So there is no known HTML 1.0

Of HTML 2.0, HTML 3.2 continue to announced by the W3C (World Wide Web Consortium, an organization to determine international standards Worl Wide Web) in 1997, introducing features including tables, applets, superscript, subscript, marquee, and so on . HTML 3.0 is available, but only a draft and not a formal specification

In January 2008, was announced as the HTML 5 draft. Although his status has not a formal recommendation, some HTML 5 specification starting layout supported by a variety of layout engine and the leading browser. HTML 5 specification is done jointly by the W3C and WHATGW (Web Hypertext Application Technology Working Group). WHATGW is a community which was founded a few individuals from Apple, the Mozilla Foundation and Opera Software.

Writing basic HTML is as follows 5



HTML 5 will memeperkenalkan API (Application Programming Interface) further expand the boundaries of HTML, among others
1. Offline Data Storage
2. Drag and Drop
3. Geolocation

One new element in HTML 5 is the canvas. Examples of its use as follows:




Furthermore, we can insert an object that we want to canvas the area, the following example will display shaded text using JavaScript and the DOM method (Document Object Model). Read more code as follows: