JavaScript Functions
JavaScript functions are reusable blocks of code that perform specific tasks, accept inputs, return outputs, and organise logic efficiently, enabling cleaner structure, improved readability, and dynamic behaviour across web applications.
JavaScript Functions
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1 Year Access 
Level 2
75 Students -
2 days, 12 hours
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Overview
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
Certificate of Achievement
Endorsed Certificate of Achievement from the Quality Licence Scheme
After successfully completing the course, learners will be able to order an endorsed certificate as proof of their new achievement. Endorsed certificates can be ordered and get delivered to your home by post for only £69.00. There is an additional £10 postage charge for international students.
CPD Certification from One Education
After successfully completing the assessment of this course, you will qualify for the CPD Certificate from One Education as proof of your continued expert development. Certificate is available in PDF format, at the cost of £9, or a hard copy can be sent to you via post, at the cost of £15.
Endorsement
This course has been endorsed by the Quality Licence Scheme for its high-quality, non-regulated provision and training programmes. This course is not regulated by Ofqual and is not an accredited lesson. One Education will be able to advise you on any further recognition, for example, progression routes into further and/or higher education. For further information, please visit the Learner FAQs on the Quality Licence Scheme website.
Method of Assessment
To assess your learning, you have to complete the assignment questions provided at the end of the course. You have to score at least 60% to pass the exam and to qualify for Quality Licence Scheme endorsed, and CPD accredited certificates.
After submitting the assignment, our expert tutor will assess your assignment and will give you feedback on your performance.
After passing the assignment exam, you will be able to apply for a certificate.
Why Study This Course
It doesn’t matter if you are an aspiring expert or absolute beginner; this course will enhance your expertise and boost your CV with critical skills and an accredited certificate attesting to your knowledge.
The JavaScript Functions is fully available to anyone, and no previous lessons 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 | |||
| Assignment -JavaScript Functions | 2 days, 11 hours | ||
| Order Your Certificate | |||
| Order Your Certificate QLS | 00:00:00 | ||
