js简单对象List自定义属性排序

简单对象List自定义属性排序
    <script type="text/javascript">
        var objectList = new Array();
        function Persion(name,age){
            this.name=name;
            this.age=age;
            }
        objectList.push(new Persion('jack',20));
        objectList.push(new Persion('tony',25));
        objectList.push(new Persion('stone',26));
        objectList.push(new Persion('mandy',23));
        //按年龄从小到大排序
        objectList.sort(function(a,b){
            return a.age-b.age});
         //按年龄从大到小排序
    objectList.sort(function(a,b){
            return b.age-a.age});
    </script>