JavaScript – A Different Beast, Part-4: Scopes and Scope Chain

Previous topic in this series: Functions in JavaScript

This is the fourth part of my tutorial on JavaScript. Focus of this series is to introduce developers who are comfortable with other programming languages like Java or C to the idiosyncrasies of JavaScript. Basic JavaScript knowledge is assumed, but is not necessary as the code samples are simple and self-explanatory.

Topics: A different beast Types and Type Conversion Functions Scopes and Scope Chain Closures Objects without Classes Inheritance without Classes Arrays, Maps and the for..each loop Literals and JSON Dynamic Programming, Exceptions and Module Pattern

Nested functions

Functions can even be defined inside the body of other functions. This is because functions are first class objects

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