With JavaScript Collector you'll find the JavaScript with a click and preview it instantly, over 100 assorted JavaScripts in 17 categories ready to run straight from your browser. Set up the path(s) to your browser(s) and hotkey(s) for the preview, and then you can try out the scripts without any messy editing. You can easily add your own javascripts into the database. Just copy and paste it into JavaScriptCollector.