import tagTester from './_tagTester.js'; import has from './_has.js'; var isArguments = tagTester('Arguments'); // Define a fallback version of the method in browsers (ahem, IE < 9), where // there isn't any inspectable "Arguments" type. (function() { if (!isArguments(arguments)) { isArguments = function(obj) { return has(obj, 'callee'); }; } }()); export default isArguments;