GALWAY | 21st to 22nd March 2018 | CONTACT US

Course Description

JavaScript is the world’s most used programming language1. Not only is it the web’s most widespread programming language, it is increasingly used outside the web too. Server-side applications are written in JavaScript with node.js; Windows 10 has JavaScript support at its core. And tools such as Electron and React Native enable desktop and mobile apps to be delivered using JavaScript. And yet JavaScript remains a difficult language to learn well. Its potholes and hurdles can lead to frustration debugging a program that doesn’t work. In this Introduction to JavaScript training course you will learn JavaScript from the ground up. We’ll start with the very basics, like syntax, data types and control flow. And we won’t even build apps for a web browser to start with, so your skills will be transferable to other platforms too. We’ll explore the building blocks: arrays, objects, functions, scope, and introduce interesting topics like callbacks and closures. We’ll look at how to build applications in JavaScript, and you’ll get plenty of practice in class, with help available. We’ll also understand how to gain confidence that our application works by utilising unit testing.


On completion of this course, you will:

  • Understand JavaScript’s core language constructs and how it differs from other languages
  • Appreciate JavaScript as a multi-paradigm language and how it supports imperative, object oriented and functional styles
  • Have written a variety of simple JavaScript applications
  • Appreciate the JavaScript standardization process, which versions are available, and some of the differences between ES5, ES6 (ES2015), and more recent versions
  • Understand how JavaScript relates to and interacts with the browser BOM, DOM and XMLHttpRequest objects
  • Appreciate certain conventions for writing JavaScript idiomatically
  • Understand the difficulties in writing asynchronous code and some of the solutions
  • Have used a variety of tools for modern JavaScript development



2 days


Target Audience

This course is suitable for IT professionals with programming experience.


Course Prerequisites

Familiarity with another programming language is recommended, such as Java, C#, Ruby or Python.

If you have any questions or doubts as to whether you meet the pre-requisites for this course, or indeed are wondering which course best suits you, please consult with us to discuss your suitability for course attendance.


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Course Content

Introduction & Getting Started

The JavaScript Language

  • ECMAScript and JavaScript versions
  • Syntax
  • Data Types
  • Coercing Types
  • Booleans, Truthy and Falsy
  • Expressions
  • Control Flow
  • Arrays
  • Objects
  • Functions as First-Class Objects
  • Function Statements vs Function Expressions
  • Scope & Hoisting
  • Prototype Inheritance
  • Regular Expressions
  • Exceptions
  • Unit Testing

JavaScript in the The Browser

  • JavaScript Execution
  • The BOM, the DOM, Events & AJAX

More on Functions

  • this
  • call() and apply()
  • Borrowing Functions using Apply and Call

Object Oriented Programming in JavaScript

  • Object Inheritance
  • Constructors

Functional Programming in JavaScript

  • Callbacks & Closures
  • Partial Function Application (Currying)
  • Composing Functions
  • Using underscore/lodash

Asynchronous JavaScript

  • Callback Hell
  • Promises
  • ES6 Generators


  • Variables and Scoping
  • Arrow Functions
  • Template String Literals
  • Parameter Handling
  • Enhanced Object Literals
  • Destructuring
  • New Methods in Object
  • Modules
  • Classes & Prototype Inheritance
  • Array Functions
  • Asynchronous Programming
  • Promises
  • Async/Await
  • Maps and Sets
  • Typed Arrays
  • New Regular Expression Features
  • Symbols


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