I\'ve downloaded Eclipse Kepler 4.3 from official site in here.
And installed PDT plugin successfully (Eclipse -> Help -> Install new software).>
Method 1 :
Work with section and hit EnterJSDT jQuery checkbox will be appears.JSDT jQuery and press next button and Next again..Method 2 :
Download and install SVN client for example TortoiseSVN
Import the repository. Paste this URL https://svn.codespot.com/a/eclipselabs.org/jsdt-jquery/updatesite in the URL of the repository field.
Then hit OK.
After that :
Next.UPDATE
If you are unable to download that for any reasons(Specially for Iranian people), you can download that from below link :
http://www.mediafire.com/download/924166rcorf4bt1/JSDT_jQuery_-_20131019.zip
And then do above steps