JavaScript. 32 lessons for beginners

The book contains 32 illustrated lessons, 40 practical exercises on programming web scripts and more than 20 tasks for independent work. The basics of JavaScript are covered: data types, variables, control constructs, functions, arrays, objects, classes, regular expressions, modules, exception handling and debugging tools. Events and their processing, generating page content, working with graphics and multimedia, web forms and controls, interacting with a web browser, visibility and resizing detectors are covered. Covers timers, background threads, using promises and asynchronous functions, working with files, program graphics, and downloading data from a web server. Describes programming front-end and back-end applications in the Node.js environment, as well as processing cross-host requests.