dfcreative/mutype

var isString = require('./is-string');
var isArray = require('./is-array');
var isFn = require('./is-fn');

//FIXME: add tests from http://jsfiddle.net/ku9LS/1/
module.exports = function (a){
    return isArray(a) || (a && !isString(a) && !a.nodeType && (typeof window != 'undefined' ? a != window : true) && !isFn(a) && typeof a.length === 'number');
}