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What is non-blocking and event-driven in node.js?

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Am new to node.js.In every document i saw node js is nothing but non blocking and event driven.But am still unaware about what is non-blocking & event driven.Can any one please explain about this.

posted Aug 15, 2014 by anonymous

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1 Answer

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What is Non-Blocking?

Refers to operations that DON'T block execution. These operations are queued and executed whenever the VM gets a chance to execute them. In order to retrieve a value from a non-blocking operation, a function is assigned and executed when the operation finishes.

what is Even Driven?

Event-driven programming is a programming paradigm in which the flow of the program is determined by events such as user actions (mouse clicks, key presses), sensor outputs, or messages from other programs/threads.

answer Aug 25, 2014 by Amarvansh
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