Node.js Def
Node.js built on Chrome V8 JS Engine
Node.js efficient at running high Concurrency Apps that tend to be I/O bound
Single-Threaded
All ops in Node.js run on single Thread
Event-Driven
(model) to listen/respond async events via Callback Function
Neutral
Node.js foundation sponsor by industry to rm bias
Extensible
Node.js can extend via native C/C++ add-ons
[<span data-tooltip-id="preview__Z39RDuJCMzaWFn7Si">Node.js</span>](node-js) disadvantages
Node Global Object
Top-Level Object access within Node.js w/o req CommonJS import