如何在JS对象中获取价值?

时间:2013-09-04 09:05:16

标签: javascript json

我举一个突然停止工作的脚本示例。问题是我无法从这个对象获得任何值,尽管过去没有问题。

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    points = JSON.parse(points);
    console.log(points); // Here is my full object, i can navigate it and also copy full path
    console.log(points.point[0]); // produces TypeError: points.point is undefined

2 个答案:

答案 0 :(得分:6)

不是points.points.point[0]吗?第一个'点'是变量,而不是内容。

使用另一个varname可能会更清楚:

pointsJSON = JSON.parse(pointsJSON);
pointsJSON.points.point[0]

答案 1 :(得分:1)

由于points是您的对象名称并且具有相同的名称,因此您拥有该对象的属性,因此您可以获得

 points.points.point[0]

第一点是变量名,第二点是对象的第一个属性,第三点是内部属性