代码执行的问题

Question

var a = document.querySelector(".a");var b = document.querySelector(".b");function Student() {    this.bbb();}function add(Student) {    Student.prototype.bbb = function() {        this.getName();        this.jiao();        console.log(this);    };    Student.prototype.getName = function() {        console.log(this);        hh(a, "click", this, false);    };    Student.prototype.jiao = function() {        alert("汪汪汪");    };}function hh(dom, type, fn, capture) {    dom.addEventListener(type, fn, capture);}add(Student);var c = new Student();我点击dom为什么没有响应

Answer 1

你这是啥啊

从开始到结束你事件都没给绑定上啊