var casper = require("casper").create(); var url = casper.cli.get(0); var metas = []; if (!url) { casper .echo("Usage: $ casperjs metaextract.js <url>") .exit(1) ; } casper.start(url, function() { metas = this.evaluate(function() { var metas = []; [].forEach.call(document.querySelectorAll("meta"), function(elem) { var meta = {}; [].slice.call(elem.attributes).forEach(function(attr) { meta[attr.name] = attr.value; }); metas.push(meta); }); return metas; }); }); casper.run(function() { require("utils").dump(metas); this.exit(); });