Course

JS Advanced - September 2025

In the "JS Advanced" course, students will gain in-depth knowledge of the JavaScript language, such as the basics of syntax, working with arrays, matrices, objects, classes and writing functions. They will learn more complex concepts such as function context, explicit binding and event loop. The course will develop their algorithmic thinking. After successfully completing this course, they will have the opportunity to work with the DOM tree, manipulate it and work with "events".

Skills which you will acquire

Working with classes and objects
Working with functions and JSON formats
Working with linear structures
Retrieving information and manipulating the DOM tree
Implementing object-oriented programming
Implementing functional programming

Topics

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Syntax, Functions and Statements
Syntax, Functions and Statements

• Data Types
• Variables
• Strict Mode
• Operators
• Functions
• Hoisting.

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Exercise: Syntax, Functions and Statements
Exercise: Syntax, Functions and Statements

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Arrays and Nested Arrays
Arrays and Nested Arrays

• Arrays (definition, accessing elements, properties and methods)
• Nested Arrays (definition, loop through nested arrays, manipulate data).

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Exercise: Arrays and Nested Arrays
Exercise: Arrays and Nested Arrays

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Objects and Composition
Objects and Composition

• Objects (object and properties)
• JSON
• Object Composition
• Modular Code.

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Exercise: Objects and Composition
Exercise: Objects and Composition

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DOM Introduction
DOM Introduction

• Browser API
• Document Object Model
• HTML Elements
• Targeting Elements
• Using the DOM API.

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Exercise: DOM Introduction
Exercise: DOM Introduction

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DOM Manipulations and Events
DOM Manipulations and Events

• Creating and Manipulating Elements
• Handling Events
• Event Types
• Event Object Properties and Methods.

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Exercise: DOM Manipulations and Events
Exercise: DOM Manipulations and Events

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Advanced Functions
Advanced Functions

• Functional Programming Overview
• Closures
• Currying and Partial Applications
• Function Composition
• Execution Context (this).

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Exercise: Advanced Functions
Exercise: Advanced Functions

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Unit Testing and Error Handling
Unit Testing and Error Handling

• Exception Handling
• Modules
• Unit Testing - Concepts
• Mocha and Chai for Unit Testing.

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Exercise: Unit Testing and Error Handling
Exercise: Unit Testing and Error Handling

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Classes
Classes

• Defining Classes
• Properties and Accessors
• Component Approach
• Testing Classes.

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Exercise: Classes
Exercise: Classes

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Prototypes and Inheritance
Prototypes and Inheritance

• Inheritance
• Classical Inheritance
• Prototype Chain.

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Exercise: Prototypes and Inheritance
Exercise: Prototypes and Inheritance

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Exam Preparation
Exam Preparation

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Exam Preparation
Exam Preparation

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Workshop: Wizard Side Scrolling Game
Workshop: Wizard Side Scrolling Game

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Regular Exam
Regular Exam

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Retake Exam
Retake Exam

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Who is the target audience for the course?

The course is suitable for students who have mastered the basic syntax of JavaScript (variables, conditional checks and loops) and can freely handle arrays, objects, text processing and work with regular expressions. The required level of English required for the course must correspond to B2.

How to enroll in the course?

To sign up for the course, click HERE or the ENROLL button. After a successful payment, you will be enrolled in the training.

What is the deadline for enrolling in the course and when does it start?

Enrollment in the course is open until 1 September 2025. The training starts on 2 September 2025. You can find a detailed schedule of classes in the Topics section.

How and where are the classes be held?

You can study online in real time. Immediately after each lesson, you also get access to the lesson recording and learning resources.

What is the date of the exam and what does it include?

The exam will be held online and includes practical exercises. The dates of the exam are 22nd Dec 2025 for the main exam and 30th of Dec 2025 for the retake exams.

Do I get a certificate after the exam?

After passing the exam, you acquire a certificate issued by SoftUni if your score is above 70%.