How to prevent JavaScript from hotlinking and direct access?

How to prevent Java开发者_开发百科Script from hotlinking and direct access? With .htaccess?

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This script works for me. Hope its useful to you too:

RewriteEngine on
RewriteCond %{HTTP_REFERER} !^$
RewriteCond %{HTTP_REFERER} !^http://(www\.)yoursite.com/.*$ [NC]
RewriteRule \.(js)$ - [F]