JavaScript: 20 Lessons for Beginners

The book contains 20 illustrated lessons, 40 practical exercises on web scripting programming, and more than 70 assignments for independent work. It covers the fundamentals of JavaScript: data and operators, expressions and control structures, functions, classes, objects, and arrays, debugging tools. It reveals the mechanisms for controlling web pages: events and their handling, element manipulation, graphics and multimedia, web forms and controls, regular expressions, navigation and window management. It discusses working with the HTML API and component programming: asynchronous programming, handling external data, programmatic graphics, declaring your own classes, creating components. It highlights server interaction technologies: AJAX, PHP, frontend and backend development, server messages. The electronic archive on the publisher's website contains the codes for all examples and the results of the exercises.