docs(cloud9): update a bit

eGlobeBizCom · Dec 7, 2013 · 7d2c577 · 7d2c577
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-[Cloud9 IDE] is an open source web-based cloud integrated development environment that supports several programming languages, with a focus on the web stack (specifically JavaScript and [NodeJS]). It is written almost entirely in JavaScript, and uses [NodeJS] on the back-end.
+[Cloud9 IDE] is an open source web-based cloud integrated development environment that supports
+several programming languages, with a focus on the web stack (specifically JavaScript and NodeJS).
+It is written almost entirely in JavaScript, and uses NodeJS on the back-end.
 
+## Configuration
 
-There are two possibilities in order to run unit tests with Karma in [Cloud9 IDE]:
+First, make sure the `karma.conf.js` includes the following entries:
+
+```javascript
+hostname: process.env.IP,
+port: process.env.PORT
+```
 
 ## Capture the browser manually on the local machine
 
-Open `http://<projectName>.<cloud9User>.c9.io/` in your browser.
+You can use any of your local browsers.
 
-## Run Karma unit tests with PhantomJS in cloud9 IDE
+```bash
+# Start Karma without browsers:
+$ karma start --no-browsers
+```
 
-### Install PhantomJS
-PhantomJS must be installed with `npm install phantomjs`.
+Now, open `http://<projectName>.<cloud9User>.c9.io/` in your browser.
 
-### Configure Karma
-The `karma.conf.js` file must include the following entries:
+## Run Karma unit tests with PhantomJS
 
-```javascript
-browsers: ['PhantomJS'],
-hostname: process.env.IP,
-port: process.env.PORT
+It is also possible to run headless PhantomJS on the Cloud9 server.
+
+```bash
+# Install the PhantomJS plugin:
+$ npm install karma-phantomjs-launcher
+
+# Start Karma:
+$ karma start --browsers PhantomJS
 ```
 
 [Cloud9 IDE]: https://c9.io/
-[NodeJS]: http://nodejs.org/