--- /dev/null
+'use strict';
+
+var isFunction = require('../function/is-function')
+ , isObject = require('./is-object');
+
+module.exports = function (x) {
+ return ((x != null) && (typeof x.length === 'number') &&
+
+ // Just checking ((typeof x === 'object') && (typeof x !== 'function'))
+ // won't work right for some cases, e.g.:
+ // type of instance of NodeList in Safari is a 'function'
+
+ ((isObject(x) && !isFunction(x)) || (typeof x === "string"))) || false;
+};