Node.js: The Ultimate Beginner's Guide to Learn node.js Step by Step - 2021 (3nd edition) by John Bach & mEm lnc

Author:John Bach & mEm lnc [Bach, John]
Language: eng
Format: azw3
Published: 2021-01-03T16:00:00+00:00

JavaScript

CoffeScript

var name = "John";

name = "John"

var age = 32;

age = 32

var admin = true;

admin = true

list = [1, 2, 3, 4, 5];

list = [1, 2, 3, 4, 5]

Did you notice the difference? (Well, besides the absence of the keyword var,

which CoffeScript doesn't need.) No? And she is, look at-

smarter.

Yes, but, actually, why is there no need for var? It's simple. The CoffeeScript compiler itself takes care of all your re- variables have been correctly declared in the lexical scope. Here what the CoffeeScript code on the right turns into after compilation:

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