**注意：里面的脚本来源于网络** > 下面的这些希望能够帮助到你： ``` isFunction: function(e) { return "function" === p.type(e) }, isArray: Array.isArray || function(e) { return "array" === p.type(e) } , isWindow: function(e) { return null != e && e == e.window }, isNumeric: function(e) { return !p.isArray(e) && e - parseFloat(e) + 1 >= 0 }, isEmptyObject: function(e) { var t; for (t in e) return false; return true }, isPlainObject: function(e) { var t; if (!e || "object" !== p.type(e) || e.nodeType || p.isWindow(e)) return false; try { if (e.constructor && !u.call(e, "constructor") && !u.call(e.constructor.prototype, "isPrototypeOf")) return false } catch (i) { return false } if (c.ownLast) for (t in e) return u.call(e, t); for (t in e) ; return void 0 === t || u.call(e, t) }, ```