AngularJS: How to get the key of a JSON Object

Question

I am unsure if this has got anything to do with AngularJS at all and if it is only JSON related.

Anyhow, let us say that we have the following JSON:

$s         


        

Answer 1

As docs state it:

(key, value) in expression – where key and value can be any user defined identifiers, and expression is the scope expression giving the collection to enumerate.

  {{key}}