var self = require('sdk/self'); var pageMod = require("sdk/page-mod"); var sites = require("data/site-decoder.json") for (var i = 0; i < sites.length; i++) { pageMod.PageMod({ include: sites[i][0], contentScriptFile: ["lib/jquery.js", "./image_lookup.js", "injections/" + sites[i][1]] }); }