Beginning Node.js - download pdf or read online

February 14, 2018 | Javascript | By admin | 0 Comments

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 all of the features of making maintainable Node.js functions. you will see that how Node.js is targeted on developing high-performing, highly-scalable web pages, and the way effortless it really is to start. Many front-end devs frequently paintings with HTML, CSS, personal home page, even WordPress, yet have not but acquired 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 ebook you'll examine very important Node.js innovations for server-side programming. you'll start with an easy-to-follow natural JavaScript primer, you can bypass if you are convinced of your JS talents. you will then delve into Node.js options resembling streams and occasions, and the expertise interested in construction full-stack Node.js purposes. you will additionally how one can try your Node.js code, and install your Node.js purposes at the internet.

Node.js is a smart and easy platform to paintings with. it's light-weight, effortless to set up and deal with. you'll find how utilizing Node.js could be a enjoyable and lucrative adventure - begin this present day with Beginning Node.js.

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Extra info for Beginning Node.js

Sample text

To throw an exception, you simply use the throw JavaScript keyword. To catch an exception, you can use the catch keyword. For code you want to run regardless of whether an exception was caught or not, you can use the finally keyword. Listing 2-43 is a simple example that demonstrates this. Listing 2-43. js The catch section executes only if an error is thrown. The finally section executes despite any errors thrown within the try section. This method of exception handling is great for synchronous JavaScript.

Exports, as shown in Listing 3-1. Listing 3-1. js, we simply import foo using the globally available require function and store the returned value in a local variable, as shown in Listing 3-2. js Listing 3-2. js was designed to be simple, and this shows in its module system. Now that we have seen a simple example, let’s dig deeper into various details, starting with the require function. js require function is the main way of importing a module into the current file. js: core modules, file modules, and external node_modules, all of which use the require function.

The immediate question that should come to mind when someone tells you that you only have a single thread to handle requests is, “But my computer has a quad core CPU. ” And the answer is that yes it will. 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.

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Beginning Node.js by Basarat Syed

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