Http://www.cnblogs.com/sayo/archive/2008/10/14/1310769.html
There are three types of JavaScript editors to choose from:
1. JSDT
2. Jseclipse
3. Spket
The installation of these three plug-ins is described separately:
1. JSDT is a WPT with a plug-in
As long as the WTP is installed, you do not have to install JSDT alone. You can also learn some information about JSDT from here: Http://wiki.eclipse.org/index.php/ATF/JSDT
2. Jseclipse
You can install Jseclipse from Http://download.macromedia.com/pub/labs/jseclipse/autoinstall via the Eclipse Automatic Update feature:
As shown above, install the tick-jeclipse plugin.
Jeclipse is a JavaScript editor, and to use ExtJS, you need to download the file and extract all the XML files into your Eclipse workspace directory:
Eclipseworkspace/.metadata/.plugins/com.interaktonline.jseclipse/user_library
Below. Then you can restart eclipse.
Ext_jseclipse.zip
3. Spket
Install Plug-ins from http://www.spket.com/update/via Eclipse Automatic Update:
After installation, make ExtJS settings:
As the above picture is set to look good:
Window→preferences→spket→javascript Profiles→new, named in pop-up dialog: ExtJs, click OK. Then select ExtJS Point Add Library, you download the EXT package to find/SOURCE/EXT.JSB loaded in. Finally, select ExtJS Click the Default button on the right to make it the default. That's fine.
After the above installation settings, now open a JS file can be a variety of ways:
Personal feeling jseclilpse more easy to use.