前台怎么解析json
[{"cityname":"广州","cityid":0},{"cityname":"深圳","cityid":0},{"cityname":"汕尾","cityid":0},{"cityname":"汕头","cityid":0},{"cityname":"佛山","cityid":0}]
我只想要cityname的数据。
请问怎么解析出来啊。
function call(data){//回调函数 页面报c is undefined
if(data){
alert(data);
var c=eval("("+data.cityname+")");
for(var k=0;k<c.length;k++){
alert(c[k]);
$("#city").append("<option>"+c[k]+"</option>");
}
}
}