Q. What is node.js? Node.js is a Server side scripting which is used to build scalable programs. Its multiple advantages over other server side languages, the prominent being non-blocking I/O.
Node.js is a web application framework built on Google Chrome’s JavaScript Engine(V8 Engine). Node.js comes with runtime environment on which a Javascript based script can be interpreted and executed (It is analogus to JVM to JAVA byte code). This runtime allows to execute a JavaScript code on any machine outside a browser. Because of this runtime of Node.js, JavaScript is now can be executed on server as well. Node.js also provides a rich library of various javascript modules which eases the developement of web application using Node.js to great extents. Node.js = Runtime Environment + JavaScript Library ------------------------------ Q. How node.js works? Node.js works on a v8 environment, it is a virtual machine that utilizes JavaScript as its scripting language and achieves high output via non-blocking I/O and single threaded event loop. ------------------------------ Q. Is it free to use Node.js? Yes! Node.js is released under the MIT LICENSE <https://raw.githubusercontent.com/joyent/node/v0.12.0/LICENSE> and is free to use. For more information, click the link below. http://mindmajix.com/node-js-interview-questions -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/android-developers. To view this discussion on the web visit https://groups.google.com/d/msgid/android-developers/0456c66e-4e39-4d1d-af1c-c7e1bcdcaccf%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.

