JSPower for Xcode is an Xcode extension, it provides development interface for the JavaScript language. Anyone can create Xcode extension utilities using Javascript. For the built-in utilities, you could: 1) Convert selected text into ASCII Text. 2) Sort selected lines. After installing the DLC Pack 1 from JSPower macOS app, you could : 3) Comment code block. 4) Jump to up/down 20 line. Of course, more you can do if you create your own package using Javascript language. Please visit https://jspowerx.github.io/ for more information. Enjoy :)