怎么在jsp页面中修改js中的数据???

Question

这是js，在页面中出发城市：用到，怎么对js 里的数据增加，比如现在我想增加一个城市天津在jsp页面上怎么增加??
var flycitys=[
{name:'南京',py:'nj',py_all:'Nanjing'},
{name:'北京',py:'bj',py_all:'Beijing'},
{name:'上海',py:'sh',py_all:'Shanghai'},
{name:'广州',py:'gz',py_all:'Guangzhou'}
怎么在这增加城市????
}

Answer 1

flycitys.push({name:'天津',py:'tj',py_all:'Tianjin'});

Answer 2

<script type="text/javascript">
var flycitys=[ 
{name:'南京',py:'nj',py_all:'Nanjing'}, 
{name:'北京',py:'bj',py_all:'Beijing'}, 
{name:'上海',py:'sh',py_all:'Shanghai'}, 
{name:'广州',py:'gz',py_all:'Guangzhou'}  
]
flycitys.push({name:'广州',py:'gz',py_all:'Guangzhou'});
alert(flycitys.length);
</script>

Answer 3

http://www.w3school.com.cn/js/jsref_push.asp

Answer 4

网页打开后jsp已经执行完了，要想再读取数据而不刷新网页，用web2.0交互吧