WebStorm 3.0: The JavaScript IDE

JavaScript matures. EcmaScript 5, CoffeeScript, JSLint/JSHint — all these tools and dialects have emerged to make JavaScript development easier, more accurate and more professional. It will gain even more followers with the appearance of server-side JavaScript — Node.JS, and an effective tool is required that meets the needs of JavaScript developers. WebStorm 3.0 is that tool.

Node.JS

WebStorm 3.0 allows you to debug and validate your server-side JavaScript — Node.JS apps.

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The editor is aware of CommonJS module structure and suggests proper auto completion options:

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Read more about how to configure Node.JS in WebStorm.

JSLint/JSHint

JavaScript code quality tool integrated in the IDE. Checks your code just as you edit it. Open Settings, type JSLint/JSHint, enable an inspection and here you go:

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Smart Duplicated Code Detector

For JavaScript and even for CSS and HTML. Go to Code | Locate Duplicates to start your quest against copy/paste coding. You'll be presented with a list of candidates for refactoring — and with the help of Refactor | Extract Method it's easy to keep your code DRY.

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JavaScript Debugger Improvements

Mark Object action added to JavaScript debuggers for Firefox and Chrome browsers. The labeled object will be marked accordingly in all debugger views:

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Additionally, you can configure the most important properties of an object that you want to see without expanding its node:

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CoffeeScript

Keeping pace with the newest technologies coming to the scene, WebStorm offers you CoffeScript support 'hot of the press'. CoffeeScript is a programming language that compiles to JavaScript and enhances its brevity and readability, while also adding some sophisticated features like array comprehension and pattern matching. WebStorm offers you:

code navigation and completion
rename refactoring
syntax highlighting
error checking
find usages

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JavaScript Unit Testing

If you're a JavaScript developer, you probably know that the quality and correctness of your application are crucial. Well, consistency and regression testing just got a little less painful. Meet the JsTestDriver plugin. Read more »

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FTP/SFTP Sync Improved

Deployment support got a much-requested recursive comparison feature. Check out Sync with Local / Sync with Deployed context menu actions on folder nodes in Project view and Remote Host view.
Mark directories in web server configuration to exclude/include from transfer and from indexing in Settings | Directories.