How can I get the key value in a JSON object?

Question

How do I get the key value in a JSON object and the length of the object using JavaScript?

For example:

[
  {
    "amount": " 12185"         


        

Answer 1

When you parse the JSON representation, it'll become a JavaScript array of objects.

Because of this, you can use the .length property of the JavaScript array to see how many elements are contained, and use a for loop to enumerate it.