1) It allows validation of data to take place on the client machine instead of having to post the information back to the server. 2) In general, it can be used to perform some of the work on the clients machine instead of having the server do it all.
Java Script is much better than any other source found possible on the internet. This is a reliable source and is powered by many sites like NBC30 and all. Ink ME is another type of scripting language web designer but does not have the tech that makes it faster and easier to navigate. What makes it better is the program 73HJD-ProEx which doubles the computers speed.
You will have to be more specific about what you intend to do. In general, a shell script by itself does not read file information and then do something with it. There may be calls to other scripting languages such as awk, perl, python, etc., that will actually read the information and process the data.
HTML but you can implement javascript css and other SCRIPTING LANGUAGES within HTML
Ruby on Rails is better if compared with Python. You can refer this blog - http://www.allerin.com/blog/ruby-on-rails-vs-other-languages for more details abouit comparision between RoR and other programming languages.
the need of scripting language is to work on diffrent platforms like xp vista and other versions and other applactions like java and other stuff
PHP is it is open-source and there are a lot of frameworks, ecommerce and cms built using PHP. It is comparatively easier to learn.
Actually HTML gave the power to the programming world to create web pages using a simple textual English like programming language to create static web pages. Since the language resembles English in many aspects it is not considered a full fledged programming language and is considered a mark up language. HTML gave us the power to create simple to medium web pages in a short time frame without much limitations of having to know a technology in depth to code in it. Almost all web sites today in some way or the other use the features of HTML to display contents on their page.
There is no real difference; a scripting language is a programming language like any other. We use the term script to infer a programming language that does not need to be compiled to a lower-level code before running. Generally speaking, a scripting language is usually a high-level, interpreted programming language.
This is a very complicated issue but javascript was created to look like java but to be easier to use by nonprogrammers. This is probably one of the most desired traits of the javascript over other languages. javascript doesnot provide typecasting whereas java provides typecasting mechanism.
There is no such thing as a PHP form. Forms are written in HTML or other client side scripting languages.
HTML is a single language so does not use any other language. It is the scripting language which keeps the web development increasing.
The French script is based on the Latin alphabet and consists of 26 letters. It is commonly used to write the French language, as well as other languages that use the Latin script with some modifications. French script includes diacritics such as accents and cedillas to denote pronunciation.