© Fernando Doglio 2020
F. DoglioIntroducing Denohttps://doi.org/10.1007/978-1-4842-6197-2_1

1. Why Deno?

Fernando Doglio1 
(1)
El Molar, Madrid, Spain
 

For the past 10 years, when back-end developers heard the words “JavaScript in the back end,” everyone instantly thought about Node.js.

Maybe not immediately at the start of those 10 years, but eventually it got to a point where the name was known to everyone as yet another available back-end technology based on JavaScript. And with its async I/O capabilities out of the box (because while other technologies also supported this, Node was the first one to have it as a core mechanic), it carved a portion of the market for itself.

More specifically, Node.js became almost the de facto choice for writing APIs, ...

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