Bareilly, , India
Content Writing, CSS, C Language
0 टिप्पणी करें | 12 लोगो ने देखा है | 20 अगस्त 12  | Arunima Singh
Know the difference betwen HTML 5 and HTML 4
A new version of basic Html is here.. Many people confused between the HTML5 and HTML4. Here are some identical differences between both of them. HTML5 has several properties which differentiate it from HTML4. The primary one is consistent, defined error handling. As you know, HTML purposely supports 39tag soup39, or the ability to write malformed code and have it corrected into a valid document. The problem is that the rules for doing this aren39t written down anywhere. When a new browser vendor wants to enter the market, they just have to test malformed documents in various browsers especially IE and reverse-engineer their error handling. If they don39t, then many pages won39t display correctly estimates place roughly 90 of pages on the net as being at least somewhat malformed. So, HTML5 is attempting to discover and codify this error handling, so that browser developers can all standardize and greatly reduce the time and money required to display things consistently. As well, long in the future after HTML has died as a document format, historians may still want to read our documents, and having a completely defined parsing algorithm will greatly aid this. The secondary goal of HTML5 is to develop the ability of the browser to be an application platform, via HTML, CSS, and Javascript. Many elements have been added directly to the language that are currently in HTML4 Flash or JS-based hacks, such as ltcanvasgt, ltvideogt, and ltaudiogt. Useful things such as Local Storage a js-accessible browser-builtin sql database, for storing information beyond what cookies can hold, new input types such as date for which the browser can expose easy user interface so that we don39t have to use our js-based calendar date-pickers, and browser-supported form validation will make developing web applications much simpler for the developers, and make them much faster for the users since many things will be supported natively, rather than hacked in via javascript. There are many other smaller efforts taking place in HTML5, such as better-defined semantic roles for existing elements ltstronggt and ltemgt now actually mean something different, and even ltbgt and ltigt have vague semantics that should work well when parsing legacy documents and adding new elements with useful semantics - ltarticlegt, ltsectiongt, ltheadergt, ltasidegt, and ltnavgt should replace the majority of ltdivgts used on a web page, making your pages a bit more semantic, but more importantly, easier to read. No more painful scanning to see just what that random lt/divgt is closing - instead you39ll have an obvious lt/headergt, or lt/articlegt, making the structure of your document much more intuitive.

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