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Webucator's Free Advanced JavaScript Programming Tutorial

Welcome to our free Advanced JavaScript Programming tutorial. This tutorial is based on Webucator's Advanced JavaScript Programming course.
Start Tutorial or choose from a lesson below
JavaScript variables can be scoped globally or locally to a function or block. Making sure that you correctly handle scope reduces the risk of unexpected side effects and bugs. The scope of the variable declaration determines the execution context of the variable; the ability to access a variable is determined by the execution context.
Prototyping in JavaScript allows us to use object-oriented concepts such as objects, properties and methods, and other features. The recent ES2015 release of JavaScript introduces a new class syntax to prototyping. Advanced objects like Map and Set are useful data structures.
We can use features of JavaScript functions to protect private state properties, organize our code, solve difficult challenges more elegantly, and build more flexible and reuseable tools.
The Array class in JavaScript offers a range of useful static and instance methods.
JavaScript's XMLHttpRequest API offers client functionality for transferring data between a client and a server.
JSON, or JavaScript Object Notation, is a data-interchange format commonly used in JavaScript.
JavaScript provides several methods for catching and handing errors, the most useful of which is try/catch/finally.
In this lesson, you will learn how to work with regular expressions.