The value of the properties in the object?

Good time of day. The problem is this: there is a code for the type var a = {test: 1, test1: this.test}.
Therefore the value of the variable test is undefined and how to deal with it? Thank you
July 9th 19 at 13:45
1 answer
July 9th 19 at 13:47
this is the context of the current function
https://habrahabr.ru/post/149516/

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