Le cose che possiamo fare oggi sul web con JavaScript in esecuzione lato server, cos� come lato browser, erano difficili da immaginare pochi anni fa o erano incapsulate in ambienti particolari detti "sandbox" come Flash o Applet Java.

Le migrazioni a nuovi linguaggi di programmazione ci sono sempre stati infatti adesso � impensabile creare un CMS in Assembly cos� come in tanti altri linguaggi. I linguaggi di programmazione sono figli di un'esigenza pertanto se, per esempio, vuoi delle performance migliori forse � meglio programmare in C piuttosto che in Java.

Allo stesso modo Node.js � stato creato con uno scopo ben preciso.

Ryan Dahl, il creatore di Node.js, mirava a creare siti Web in tempo reale con funzionalit� push, "ispirati da applicazioni come Gmail" quindi ha fornito agli sviluppatori uno strumento per lavorare con il paradigma I/O in modo non bloccante e guidato dagli eventi.

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Expert Trading Limited
9220 Rumsey Road, Suite 101, Columbia, MD, 21045, U.S.A.

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Company Name: GreatBookPrices
Legal Entity: Expert Trading, LLC
Address: 9220 Rumsey Road, Ste 101, Columbia MD 21046
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Shipping rates within U.S.A.
Order quantity	8 to 14 business days	5 to 14 business days
First item	US$ 2.64	US$ 2.64

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