A JavaScript tutorial introduces learners to the fundamentals of JavaScript programming, covering essential concepts like variables, data types, functions, control structures, and loops. It guides users through how to write interactive and dynamic web pages by integrating JavaScript with HTML and CSS. Topics such as event handling, DOM manipulation, and asynchronous programming (using promises and async/await) are often explored. Additionally, a tutorial may delve into more advanced features like closures, objects, and error handling, providing learners with the skills to build modern web applications and improve their problem-solving abilities.