How to deterministically verify that a JSON object hasn't been modified?

Question

According to MDN documentation for JSON.stringify:

Properties of non-array objects are not guaranteed to be stringified in any particular order. Do

Answer 1

You may want to try JSON.sortify, a little helper that I wrote.

In contrast to the answers given so far, it

• works with any level of nesting
• can handle numeric keys
• escapes special characters in keys
• accepts the space parameter as well as the little used replacer parameter
• throws a TypeError on cyclical references (as it should)
• filters undefined values and functions
• respects toJSON()