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<html lang="en"><head> <meta charset="UTF-8"> <title>groupInherit</title> <script type="text/javascript"> //声明父类 function superClass(name){ this.name = name; this.books = ['html','css','js']; } superClass.prototype.getName = function(){ console.log(this.name); } superClass.prototype.getBooks = function(){ console.log(this.books); } //声明子类 function subClass(name,time){ superClass.call(this,name);//让子this指向父this，后面带的是父类需传入的参数name this.time = time; } subClass.prototype = new superClass();//类式继承 subClass.prototype.getTime = function(){ console.log(this.time); } //测试用例：实例化对象测试 var test1 = new subClass('js book',2015); var test2 = new subClass('css book',2014); test1.books.push('php');//test2插入的数据'php'不影响test1 console.log(test1.name); //'js book' console.log(test1.books); //["html", "css", "js", "php"] test1.getName(); //'js book' test1.getBooks(); //["html", "css", "js", "php"] test1.getTime(); //2015 console.log(test2.name); //'css book' console.log(test2.books); //["html", "css", "js"] test2.getName(); //'css book' test2.getBooks(); //["html", "css", "js"] test2.getTime(); //2014 //本例已经通过验证,this属性和原型方法均能访问 </script></head><body> </body></html>