Read e-book online Beginning Node.js PDF

By Basarat Syed

ISBN-10: 1484201876

ISBN-13: 9781484201879

ISBN-10: 1484201884

ISBN-13: 9781484201886

Beginning Node.js is your step by step advisor to studying the entire points of constructing maintainable Node.js purposes. you'll discover how Node.js is concentrated on growing high-performing, highly-scalable web pages, and the way effortless it really is to start. Many front-end devs on a regular basis paintings with HTML, CSS, Hypertext Preprocessor, even WordPress, yet have not but obtained begun with Node.js. This booklet explains every thing for you from a newbie point, permitting you to begin utilizing Node.js on your initiatives correct away.

Using this publication you are going to examine vital Node.js thoughts for server-side programming. you'll start with an easy-to-follow natural JavaScript primer, that you may pass in case you are convinced of your JS talents. you will then delve into Node.js strategies reminiscent of streams and occasions, and the expertise fascinated about construction full-stack Node.js purposes. you are going to additionally how to try your Node.js code, and install your Node.js purposes at the internet.

Node.js is a brilliant and straightforward platform to paintings with. it truly is light-weight, effortless to installation and deal with. you will see that how utilizing Node.js could be a enjoyable and profitable event - begin this present day with Beginning Node.js.

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Extra resources for Beginning Node.js

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Listing 3-19. js file-based module system, let’s look at a few best practices followed by the community. js and JavaScript are quite resilient to programming errors and try to be flexible, which is why there are various ways that work. However, you should follow some conventions, and we highlight a few that are common in the community. js. js extension since we cannot look at the server filesystem to see what you meant. js extension in all your require calls. /foo') instead of require('foo')). Reason: Non-relative paths are reserved for core modules and node_modules.

You still use the require function. The only difference is that instead of a relative path to the file, you simply specify the name of the module to the require function. For example, to consume the core path module, you write a require statement like var path = require('path'). As with file-based modules, there is no implicit global namespace pollution and what you get is a local variable that you name yourself to access the contents of the module. For example, in var path = require('path') we are storing it in a local variable called path.

However, there is a well-supported way around it that we will examine in Chapter 13 when discussing deployment and scalability. js. js at the C level (such as for certain file system operations), but all the JavaScript executes in a single thread. This gives you the performance advantage of the JavaScript almost completely owning at least one thread. js with your peers. js is an event loop. Event loops enable any GUI application to work on any operating system. The OS calls a function within your application when something happens (for example, the user clicks a button), and then your application executes the logic contained inside this function to completion.

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Beginning Node.js by Basarat Syed

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