JavaScript and JSON

Question 1

What is JSON?

Answer 1

JSON is a text-based data format following JavaScript object syntax, that closely resembles JavaScript object literal syntax.

Question 2

What are serialization and deserialization and why are they useful?

Answer 2

Serialization is the process of turning an object in memory into a stream of bytes so you can do stuff like store it on disk or send it over the network.

Deserialization is the reverse process: turning a stream of bytes into an object in memory.

Question 3

How to you serialize data into a JSON string using JavaScript?

Answer 3

JSON.stringify()

Question 4

How do you deserialize a JSON string using JavaScript?

Answer 4

JSON.parse()