需要访问JSON.stringify对象中的数据 [英] Need to access data in JSON.stringify object

问题描述

此问题的背景是我正在尝试从Google可视化日历中的addListener访问选定的单元格.我可以使用JSON.stringify(chart.getSelection());打印选定的单元格.打印为[{"date":1468195200000,"row":0}].

The background for this question is I'm trying to access the selected cell from addListener in google visualization calendar. I could print the selected cell using JSON.stringify(chart.getSelection());. It prints as [{"date":1468195200000,"row":0}].

我的问题是访问此日期对象.我尝试以

My problem is to access this date object. I tried to access it as

var obj=JSON.stringify(chart.getSelection());
        console.log('selected value '+obj.date);

但是它显示为Undefined.当我打印obj时，它显示为[object，object]

But it displays as Undefined. When I print the obj it displays as [object, object]

如果您需要更多信息，请告诉我.任何建议，将不胜感激.

If you need more information please let me know. Any suggestion would be appreciated.

推荐答案

JSON.stringify()将数据对象序列化为字符串.只需直接访问对象即可.

JSON.stringify() serializes a data object into a string. Just access the object directly.

var data = chart.getSelection()[0]; // assuming there is only ever one item in the selection array.
console.log(data.date)

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