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Enhance your ability to write reusable codes and boost your programming speed with a secure understanding of JavaScript functions.

JavaScript function is one of the essential concepts in JavaScript programming, which makes programming much more effortless. Our highly-engaging JavaScript Functions course aims to help you gain confidence in JavaScript  through JavaScript functionality practice. You’ll have a clear understanding of defining and invoking functions, composing functions, and asynchronous functions. It will provide you with the strategies you need to grow in your abilities. 

Take steps towards becoming a JavaScript master by enrolling right away!

Course design

The course is delivered through our online learning platform, accessible through any internet-connected device. There are no formal deadlines or teaching schedules, meaning you are free to study the course at your own pace.

You are taught through a combination of

  • Video lessons
  • Online study materials

Will I receive a certificate of completion?

Upon successful completion, you will qualify for the UK and internationally-recognised CPD accredited certification. You can choose to make your achievement formal by obtaining your PDF Certificate at the cost of £9 and Hard Copy Certificate for £15.

Why study this course

It doesn’t matter if you are an aspiring professional or absolute beginner; this course will enhance your expertise and boost your CV with critical skills and an accredited certification attesting to your knowledge.

The JavaScript Functions is fully available to anyone, and no previous qualifications are needed to enrol. All One Education needs to know is that you are eager to learn and are over 16.

Course Curriculum

Unit 01: Introduction
Introduction 00:02:00
Why use JavaScript functions? 00:06:00
Unit 02: Defining and Invoking Functions
Defining and Invoking Functions 00:04:00
Demo: Invoking and Defining JavaScript functions 00:07:00
Alternate ways to define functions 00:01:00
Demo: Alternate ways to define functions 00:04:00
Unit 03: Function Scope
What is function scope? 00:03:00
Demo: Exploring Function Scope 00:04:00
Child Function Scope 00:02:00
Demo: Child Function Scope 00:06:00
Unit 04: Composing Functions
What is function composition? 00:02:00
Demo: Currying Functions 00:05:00
Factory Functions 00:01:00
Demo: Factory Functions 00:04:00
Unit 05: Asynchronous Functions
What are callback functions? 00:01:00
Demo: Callback Functions 00:04:00
Promises, Async and Generators 00:06:00
The “this” keyword & demo 00:04:00
Self-Invoking Functions & demo 00:03:00
Error Catching & demo 00:04:00
Object Creators & demo 00:03:00
Course Summary 00:02:00
Assignment -JavaScript Functions 00:00:00
  • £425.00 £25.00 ex Vat
  • 1 year
  • Number of Units23
  • Number of Quizzes0
  • 1 hour, 18 minutes


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