JavaScript development

The present course covers the main features of the language, traditional areas of its application and the various ways it is used in the development of web applications.
Code: WEB-007
Duration: 40 hours


JavaScript is a universal scripting language that is both flexible and powerful. It is widely used as a scripting language for web browsers, it can create dynamic HTML content, and it is also used in the development of server-side applications on Node.js. The present course covers the main features of the language, traditional areas of its application and the various ways it is used in the development of web applications.

The first part of the course covers in detail, the structure and syntax of the language, as well as its object model. The second part is dedicated to the DOM model of an HTML document. It also introduces CSS, and deals with DOM and CSS control using JavaScript. The course also covers event handling models, issues related to the creation of various forms, the XMLHttpRequest object, JSON and Ajax technologies, and provides an overview of the jQuery library.


Introduction to JavaScript
  • JavaScript versions
  • Client-side JavaScript
  • Examples of JavaScript use
  • Popularity of JavaScript

Lexical structures
  • Encoding and case sensitivity
  • White spaces
  • Comments
  • Identifiers. Reserved words

Data types
  • Numerical. Strings. Boolean
  • Functions. Objects. Arrays
  • null and undefined values
  • Primitive types object wrappers

  • Types and declaration
  • Visibility scope. Block visibility
  • Primitive and reference types
  • Variables and object properties

  • Overview of JS operators. The number of operands
  • Operation priorities. Operator associativity
  • Equality (==) and Identity (===)
  • Conditional operators. String operators

  • Conditional statements. The switch statement
  • The while loop. The do/while statement
  • The for loop. The for/in statement
  • The break statement. The continue statement

Objects and arrays
  • The object. The object properties
  • Object as an array
  • Standard object properties and methods
  • Array. Accessing array elements

Exception handling in JavaScript
  • The concept of an exception
  • Throw. try-catch-finally
  • Best practice of exception handling

  • Function definition and call
  • Function arguments and the Arguments object
  • Functions as data. Functions as methods
  • Methods and properties of the object function

Classes and prototypes
  • Constructors
  • A prototype and property inheritance
  • Emulation of JavaScript classes
  • General methods. Class inheritance

JavaScript in a web browser
  • Role of JS in Web, overview of main JS capabilities in a web browser
  • The window object as global context
  • Inserting JS into HTML. Running JS programs
  • JavaScript security

Document Object Model
  • DOM model. DOM Level 0. W3C DOM
  • Universal tree representation
  • HTML implementation of DOM models
  • W3C versions of DOM model

Cascading style sheets
  • Introduction to CSS
  • Scope and positioning attributes
  • CSS box-model
  • The Visibility and Display attributes

The HTTP protocol
  • Web servers
  • POST and GET methods
  • Other methods
  • The HTTP state codes

  • Accessing forms and form elements
  • Defining form elements
  • General properties of form elements
  • Form elements

Browser window control
  • Timers. The window.location property
  • History of document loads
  • Window geometry. The Screen object
  • The Navigator object. Opening a new window

The jQuery library
  • Overview of jQuery. jQuery selectors
  • DOM manipulations. CSS manipulations
  • Using jQuery to create event handlers
  • Using jQuery to create visual effects

  • Event-driven programming. Adding event handlers
  • Browser events. Documents events
  • Form events. Keyboard events
  • Mouse events

  • Cookies overview. Security and limitations
  • Cookie lifetime. Creating cookie, cookie visibility
  • Reading cookie. Deleting cookie
  • Using jQuery to work with cookie (jQuery plugin)

Asynchronous programming in JavaScript
  • Asynchronous programming
  • The advantages of asynchronous programming
  • A back call function as a basis of asynchronous programming
  • XMLHttpRequest. XML for AJAX. JSON for AJAX

Model-View-Controller frameworks for JavaScript
  • What is MVC?
  • Typical capabilities of MVC frameworks
  • Backbone.js
  • Other MVC frameworks

JavaScript tools
  • Debugging JavaScript
  • Code compression
  • Testing JavaScript applications
The future of JavaScript
  • ECMAScript 6


  • Understand the capabilities of JavaScript
  • Learn to write medium and advanced difficulty scripts for the majority of the tasks related to development of a dynamic user interface in modern web apps, including Ajax technology

Target Audience

  • Beginner or advanced developers of applications with web interfaces or Internet sites.


HTML and CSS. Experience in the development on any C-like language (C, C++, Java, C#) is desirable.

Trainer in Bucharest
Cosmin Vacaroiu Software Development Consultant
Cosmin is a fullstack developer with over 11 years of experience in more than 10 major projects, mainly in the area of software enterprise applications but start-ups as well. He is currently working the financial industry with tehcnologies like Artificial Intelligence, Machine Learning, Python, ELK Stack,Angular, Ionic, ReactiveX, Spring Boot, Java 8, Google Cloud, Apache Airflow si SSL Certificates.

In his previous role he worked as a Software Architect (Spring) where he used Java, Spring, SOAP WebServices (JAX-WS, Spring WS), Spring REST, JPA, JMX, JMS, Solr, JavaScript, JQuery, Weblogic, Ehcache, AOP, JUnit, EasyMock, JSP, SQL, Maven, Logstash, ElasticSearch, Kibana

Cosmin is passionate about technologies and likes to understand how they were developed so that he can use them as efficiently as possible. He has 9 Oracle certifications ( DB and Java) and one Scrum Master certification.
Course is scheduled in: Bucharest
11.05.2020 - 22.05.2020
Time: 09:30-13:30
City: Bucharest
Duration: 40 hours
Language: Romanian
Cosmin Vacaroiu
Software Development Consultant
Register for the next course
Registering in advance ensures you have priority. We’ll notify you when we schedule the next course on this topic
Register for the next course
Registering in advance ensures you have priority. We’ll notify you when we schedule the next course on this topic
Bucharest €600
Krakow €600
Wroclaw €600

Invoices for the course will be issued in local currency. All fees above can change according to training location and delivery mode and are subject to change while scheduling. Price does not include VAT.

Courses you may be interested in:
16 hours
30 hours
30 hours

Sign up

Choose dates
First Name*
Last Name*
Your Comment
Luxoft Warsaw - Warsaw Spire, plac Europejski 1, 00-844 Warszawa
Dimitrie Pompeiu nr 5-7 , building C, Et. 5, sect 2, Bucharest, 014459

Contact phone:

021 371 4858
Luxoft Poland Wroclaw - Silver Tower pl. Konstytucji 3-go Maja 3 50-048 Wroclaw
Aleja Generała Tadeusza Bora-Komorowskiego 25, Quattro Business Park Five, 31-476 Kraków, Poland

Contact phone:

+48 122110650
Thank you.
Your request has been received.