Three Techniques for Avoiding Global Variables in JavaScript Using Closure

Three techniques are presented for avoiding the creation of unnecessary global variables in JavaScript. Using closure this tutorial presents a simple function to change JavaScript variable scope, an immediately invoked function expression (IIFE), and a global object. For a complete list of all our tutorials: http://www.allthingsjavascript.com/yo... Take the Learn Modern JavaScript: Getting Started or the Learn Modern JavaScript: Advanced Topics courses at a huge discount: https://www.udemy.com/learn-modern-ja... https://www.udemy.com/learn-modern-ja...