Javascript Training and Certification in Kraków, Poland

JavaScript training equips learners with the essential skills to create dynamic and interactive websites by mastering client-side programming. The course covers basic concepts such as variables, data types, functions, and control flow, along with understanding the Document Object Model (DOM) for interacting with web pages. As learners progress, they explore advanced topics like asynchronous programming, promises, callbacks, and the use of modern JavaScript frameworks such as React, Angular, or Vue.js. Additionally, the training delves into debugging techniques, testing practices, and working with APIs to enhance web applications. By the end of the training, participants are able to build interactive, scalable, and performance-optimized web applications using JavaScript.

Introduction to JavaScript and Core Concepts

1. Overview of JavaScript

• What is JavaScript and how it fits into web development

• Setting up a development environment (browser, editor, and console)

• Embedding JavaScript in HTML: Inline, Internal, and External scripts

2. Variables, Data Types, and Operators

• Understanding variables and constants (var, let, const)

• Exploring data types (String, Number, Boolean, Arrays, Objects)

• Using operators (arithmetic, comparison, logical operators)

• Practical exercise

3. Control Structures

• Working with conditional statements (if, else, switch)

• Using loops (for, while, do-while)

• Practical exercise

4. Functions and Scope

• Defining and calling functions

• Function parameters, return values, and scope

• Practical exercise

DOM Manipulation, Event Handling, and Building Interactivity

5. Understanding the DOM (Document Object Model)

• Introduction to the DOM and its structure

• Selecting and modifying DOM elements (getElementById, querySelector)

• Changing content, styles, and attributes using JavaScript

• Practical exercise

6. Event Handling

• Understanding events (click, submit, change, etc.)

• Adding event listeners to DOM elements

• Responding to user input and handling events

• Practical exercise

7. Building Interactive Web Apps

• Creating forms and validating user input using JavaScript

• Working with arrays and objects for dynamic content

• Simple animations using JavaScript (e.g., changing styles dynamically)

• Practical exercise

8. Best Practices and Debugging

• Writing clean and maintainable JavaScript code

• Debugging JavaScript using browser developer tools

• Practical exercise

9. Course Recap and Q&A

• Review of the key topics covered during the course

• Open floor for questions and troubleshooting common issues

• Final feedback and next steps