Mozilla Developer Network: JavaScript. JavaScript (JS) is a lightweight, interpreted, or just-in-time compiled programming language with first-class functions. While it is most well-known as the scripting language for Web pages, many non-browser environments also use it, such as Node.js, Apache CouchDB and Adobe Acrobat. JavaScript is a prototype-based, multi-paradigm, dynamic language, supporting object-oriented, imperative, and declarative (e.g. functional programming) styles. Read more about JavaScript. This section is dedicated to the JavaScript language itself, and not the parts that are specific to Web pages or other host environments. For information about APIs specific to Web pages, please see Web APIs and DOM. The standard for JavaScript is ECMAScript. Tutorials Learn how to program in JavaScript with guides and tutorials. For complete beginners. Intro. Javascript--what the heck is it?
Is it a really difficult programming language that casual web designers should be afraid of? What is it used for? Hopefully we'll be able to answer these questions for you and more in this tutorial JavaScript has been around for several years now, in many different flavors. The main benefit of Javascript is to add additional interaction between the website and its visitors with just a little extra work by the web developer.
By definition, JavaScript is a client-side scripting language. There are many uses (and abuses!) Clocks Mouse Trailers (an animation that follows your mouse when you surf a site) Drop Down Menus Alert Messages Popup Windows HTML Form Data Validation Before you begin this tutorial, you should have basic knowledge of HTML. This tutorial will cover the basics of JavaScript, from where to place your JavaScript all the way to making your own JavaScript functions. Javascript Tutor. Hello, my name is Joe and I'm going to teach you a little about Javascript.
Before I do though, there are few things we have to get perfectly straight... 1) Javascript is a BIG subject and this is a basic javascript tutorial. This will not make you a javascript expert by any stretch of the imagination. This will simply introduce you to some basic concepts and quite a few simple scripts. 2) You must also move from start to finish. 3) Know beforehand that this will be HARD WORK. 4) And most important, there are many exercises scattered throughout.
Alrighty then, with that understood, let's get to work. What is Javascript? Is it hard to learn? Do I need to know HTML? JavaScript Tutorial. Learning Advanced JavaScript. JavaScript as a first language. The Best Way to Learn JavaScript. Learning something new is scary.
For me, the biggest issue with picking up a new skill is that I don’t know what I don’t know. Given that, it’s often useful to find a plan for learning whatever you’re interested in. That’s what this post is: your blueprint, your roadmap, your plan of action for learning JavaScript! You don’t have to worry about finding the best resources, sorting out the bad ones, and figuring out what to learn next. It’s all here. JavaScript is the language of the browser. Before you actually begin learning JavaScript, take a minute to understand what it is and does.
JavaScript is not jQuery, Flash, or Java. JavaScript is the language of the browser (not exclusively these days, though). One more note: you’ve heard about jQuery, which is probably the most widely-used JavaScript library. You might even have heard someone say that you should start with jQuery (or another library) and learn JavaScript after. A handful of good introductions, if I may: So, what can you build?