类似JQ的链式调用 ;(function(){ window.Hero = function(name, num, bloods){ console.log(this.name); return new _Hero(name, num, bloods); }; function _Hero(name, num, bloods) { this.name = name; this.num = num; this.bloods = bloods; return this; }; _Hero.prototype = { constructor : _Hero, kill: function () { if (this.num === 1) { console.log("kill " + this.num + " bug"); } else { console.log("kill " + this.num + " bugs"); } return this; }, recover: function () { if (this.bloods === 1) { console.log("recover " + this.bloods + " blood"); } else { console.log("recover " + this.bloods + " bloods"); } return this; }, sleep: function () { setTimeout((function () { // 等待 console.log(' '); })(), 10000); return this; } }; })(); Hero("aaa").sleep(10).kill(2);