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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>
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<body>
</body>
</html>
原文：http://www.cnblogs.com/koleyang/p/4916827.html