By Guillermo Rauch
Discover ways to make extra effective apps, with only one language!
Smashing Node.js: JavaScript in every single place equips you with the required instruments to appreciate Node.js and its makes use of in constructing effective net apps. With extra conventional net servers turning into out of date, having wisdom on servers that in attaining excessive scalability and optimum source intake utilizing Node.js is the major for your app improvement good fortune. instructing you the necessities to creating event-driven server-side apps, this e-book demonstrates how one can use much less house and take much less time for conversation among internet shopper and server.
* comprises a number of hands-on examples
* Explains implementation of real-time apps together with Socket.IO and HTML5, and WebSockets
* Addresses sensible Node.js benefits from particular layout choices
* Demonstrates why wisdom and use of JavaScript is beneficial
* comprises an interactive on-line part with pattern chapters
* Explains elements of stand out apps together with brevity and benchmarks
Looking to reinforce your talents even additional? Smashing Node.js: JavaScript all over the place makes constructing server-side apps available with its specialise in JavaScript, open resource, and easy-to-use language.
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Smashing Node.js: JavaScript Everywhere (Smashing Magazine Book Series)
Discover ways to make extra effective apps, with only one language!
Smashing Node. js: JavaScript all over the place equips you with the required instruments to appreciate Node. js and its makes use of in constructing effective internet apps. With extra conventional internet servers changing into out of date, having wisdom on servers that in attaining excessive scalability and optimum source intake utilizing Node. js is the foremost on your app improvement good fortune. educating you the necessities to creating event-driven server-side apps, this publication demonstrates how one can use much less house and take much less time for verbal exchange among internet patron and server.
* includes quite a few hands-on examples
* Explains implementation of real-time apps together with Socket. IO and HTML5, and WebSockets
* Addresses functional Node. js benefits from particular layout choices
* Demonstrates why wisdom and use of JavaScript is beneficial
* comprises an interactive on-line part with pattern chapters
* Explains parts of stand out apps together with brevity and benchmarks
Looking to augment your talents even extra? Smashing Node. js: JavaScript in all places makes constructing server-side apps obtainable with its specialise in JavaScript, open resource, and easy-to-use language.
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Additional resources for Smashing Node.js: JavaScript Everywhere (Smashing Magazine Book Series)
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Call([]) == ‘[object Array]’. This is an immutable property of objects that has the benefit of working across different contexts (for example, browser frames), whereas instanceof Array is true only for arrays initialized within that particular context. 17 18 PA R T I • Getting Started: Setup and Concepts FUNCTIONS Functions are of utmost importance in JavaScript. log(a); // passing the function as a parameter All functions in JavaScript can be named. It’s important to distinguish between the function name and the variable name: var a = function a () { ‘function’ == typeof a; // true }; THIS, FUNCTION#CALL, AND FUNCTION#APPLY When the following function is called, the value of this is the global object.
Parse to decode and encode JSON, respectively. name == ‘woot’; // true This property is used internally by v8 in stack traces. When an error is thrown, v8 shows a stack trace, which is the succession of function calls it made to reach the point where the error occurred: > var woot = function () { throw new Error(); }; > woot() Error at [object Context]:1:32 C H A P T E R 2 • JavaScript: An Overview In this case, v8 is not able to assign a name to the function reference. If you name it, however, v8 will be able to include it in the stack traces as shown here: > var woot = function buggy () { throw new Error(); }; > woot() Error at buggy ([object Context]:1:34) Because naming significantly aids in debugging, I always recommend you name your functions.
When “b” is reached, v8 doesn’t have anything left to execute. createServer(function () { a(); }); function a(){ b(); }; function b(){}; In this example, whenever an HTTP client connects to Node, the event loop dispatches a notification. Eventually, the callback function is executed, and the call stack becomes “a” > “b”. Since Node is running in a single thread, while that call stack is being unrolled no other client or HTTP request can be handled. You might be thinking, then, that Node maximum concurrency is 1!