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Webucator's Free JavaScript Tutorial

Welcome to our free JavaScript tutorial. This tutorial is based on Webucator's Introduction to JavaScript Training course.
Start Tutorial or choose from a lesson below
In this lesson, you will learn how to get started with the basics of JavaScript.
In this lesson, you will learn about variables, arrays, and operators.
In this lesson, you will learn how to work with JavaScript functions.
In this lesson, you will learn how to work with event handlers.
JavaScript has some predefined, built-in objects that enable you to work with Strings and Dates and perform mathematical operations.
In this lesson, you will learn how to work with conditionals and loops.
In this lesson, you will learn about form validation.
The HTML Document Object Model (DOM) is a W3C standard that defines a set of HTML objects and their methods and properties. JavaScript can be used to create and destroy these objects, to invoke their methods, and to manipulate their properties. In HTML5, the DOM has been expanded and some already widely supported previously unofficial features have been included as part of the specification.
We can use JavaScript to both retrieve information about element's CSS styles and to set those styles programmatically.
In this lesson, you will learn how to work with images, windows, and timers.
Chrome's Developer Tools are a valuable resource for writing and debugging JavaScript code.
In this lesson, you will learn to work with the navigator, history, and location objects.