级联函数

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<!DOCTYPE html><html><head><meta charset="UTF-8"><title></title><script>/*级联函数重点在于 把当前原型对象指针返回, 即可调用其他方法*/function person() {this._lian = "";this._zui = "";this._tui = "";}person.prototype = {setLian: function() {this._lian = "大脸";return this;},setZui: function() {this._zui = "大嘴";return this;},setTui: function() {this._tui = "大腿";return this;}}var p = new person();p.setLian().setZui().setTui();console.log(p);</script></head><body></body></html>

  

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