JavaScript push to array

Question

How do I push new values to the following array?

json = {\"cool\":\"34.33\",\"alsocool\":\"45454\"}

I tried json.push(\"coolness\":\"

Answer 1

object["property"] = value;

or

object.property = value;

Object and Array in JavaScript are different in terms of usage. Its best if you understand them:

Object vs Array: JavaScript