JavaScript Introduction
6 lessonsAbout 36 minutesBeginner
This part of the JavaScript Tutorial runs from What is JavaScript through to JavaScript Comments. There are 6 lessons here, and working through them takes about 36 minutes at a steady pace.
This is where the JavaScript Tutorial starts. Nothing before it is assumed, and every example runs in the editor built into each lesson, so you can change the code and see the result without installing anything.
Each lesson below says what it covers before you open it. Read them in order the first time; afterwards this page works as a index you can jump back into when you need to check one thing.
- 1What is JavaScriptJavaScript is a programming language used to make web pages interactive and dynamic.
- 2JavaScript FeaturesJavaScript has many useful features that make it one of the most popular programming languages for web development.
- 3JavaScript SyntaxLearn JavaScript syntax, including statements, values, variables, operators, expressions, keywords, identifiers, comments, and code blocks.
- 4How to Add JavaScriptJavaScript can be added to an HTML document in different ways. You can write JavaScript directly inside an HTML file or link an external JavaScript file.
- 5JavaScript OutputJavaScript output means displaying data or result using JavaScript. JavaScript can show output in different places, such as inside an HTML element, inside
- 6JavaScript CommentsJavaScript comments are used to write notes inside code, explain logic, and temporarily disable JavaScript during testing.