- JavaScript Tutorial - W3Schools
JavaScript is easy to learn This tutorial covers everything from basic JavaScript up to the latest 2025 version Start learning JavaScript now » With our Try it Yourself editor, you can edit the source code and view the result We recommend reading this tutorial, in the sequence listed in the menu
- Welcome to Learn JavaScript! | web. dev
JavaScript lets developers modify the structure and presentation of a page by adding, removing, and altering markup and styles in response to any combination of user interaction and internal logic
- JavaScript Fundamentals
Let’s learn the fundamentals of script building Hello, world! Conditional branching: if, '?' Nullish coalescing operator '??'
- JavaScript in Plain English
New JavaScript and Web Development content every day Follow to join our 3 5M+ monthly readers
- JavaScript Numbers - W3Schools
JavaScript Numbers are Always 64-bit Floating Point Unlike many other programming languages, JavaScript does not define different types of numbers, like integers, short, long, floating-point etc JavaScript numbers are always stored as double precision floating point numbers, following the international IEEE 754 standard This format stores numbers in 64 bits, where the number (the fraction
- Introduction - JavaScript | MDN - MDN Web Docs
JavaScript is a cross-platform, object-oriented scripting language used to make webpages interactive (e g , having complex animations, clickable buttons, popup menus, etc )
- What is JavaScript? - Learn web development | MDN
Welcome to the MDN beginner's JavaScript course! In this article we will look at JavaScript from a high level, answering questions such as "What is it?" and "What can you do with it?", and making sure you are comfortable with JavaScript's purpose
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