javascript - What does this JS statement mean?

Question

What does this JS statement mean?

    var aa= {},
        bb= [{name: 'aa1'},{name: 'aa2'}];

code above.

Answer 1

is equivalent to

var aa = {};
var bb = [{name: 'aa1'},{name: 'aa2'}];

is equivalent to

var aa;
var bb;
aa = {};
bb = [{name: 'aa1'},{name: 'aa2'}];

Initialize aa as an empty object and bb as an array containing two objects

Answer 2

Declare that aa is an empty object, bb is an array, and there are two objects in the array whose attributes are name and whose values ​​are aa1 and aa2 respectively