Access to nested object via variable index

Question

In my Ajax request the response data is an object like this:

how is possible to access value.

note: idVariable is a variable.

data.test1.idVariable.test2.value

Above code result is: undefined.

Damien Fayol · Accepted Answer · 2016-02-21 08:42:53Z

1

When you are using a variable to name a key in a javascript object you are supposed to use bracket notation. E.g:

var idVariable = 8;
var value = data.test1[idVariable].test2.value;

Otherwise, you are accessing a key names idVariable, instead of 8

answered Feb 21, 2016 at 8:42

Damien Fayol

9587 silver badges17 bronze badges

Sign up to request clarification or add additional context in comments.

1 Comment

Already answered and acknowledged as so in comment. Also posted a duplicate link.