How do i add new attribute (element) to JSON object using javascript

Question

How do i add new attribute (element) to JSON object using javascript

Answer 1

JSON stands for JavaScript Object Notation. A JSON object is really a string that has yet to be turned into the object it represents.

To add a property to an existing object in JS you could do the following.

object["property"] = value;

or

object.property = value;

If you provide some extra info like exactly what you need to do in context you might get a more tailored answer.

Answer 2

A JSON object is simply a javascript object, so with Javascript being a prototype based language, all you have to do is address it using the dot notation.

   mything.NewField = 'foo';

Answer 3

Thank you. It worked.

Answer 4

^^FlySwat "mything.NewField = 'foo';"

how to modify your example if I want NewField to be variable? I mean the new property will be the value of the var NewField ?