var self = require('sdk/self'); var pageMod = require("sdk/page-mod"); var sites = require("data/site-decoder.json").sites; for (var i = 0; i < sites.length; i++) { pattern = Object.keys(sites[i])[0]; script = sites[i][pattern]; console.log('script ' + script); console.log('pattern ' + pattern); pageMod.PageMod({ include: pattern, contentScriptFile: ["lib/jquery.js", "./image_lookup.js", "injections/" + script] }); }