3 This command allows you to inject an external script code from the specified file into the current page.
7 "name": "add_extension",
9 "/www/web/script_extensions/extension.js"
13 If the script was properly injected the response should be:
19 For more details on how this works check [PhantomJS injectJS documentation](http://phantomjs.org/api/webpage/method/inject-js.html)