我已经设置了这个 js 对象:
 var tableTypes = {
        "stockRcmnd":{
            "name":"stockRcmnd",
            "columns": ['1','2', '3']
        }, 
        "stockChange":{
            "name":"stockChange",
            "columns": ['4','5', '6']
        }
    };
现在,我想动态获取列:
property = "stockChange";
columns = tableTypes.{property}.columns;
property = "stockRcmnd";
columns = tableTypes.{property}.columns;
这是一个jsfiddle;
知道怎么做吗?