JSON Flashcards
1
Q
What is JSON?
A
Javascript object notation format for storing and transporting the data
2
Q
What are serialization and deserialization?
A
Serialization attributes an object into a string, deserialization convert string in to object
3
Q
How do you serialize a data structure into a JSON string using JavaScript?
A
JSON.stringify() convert a JavaScript object r-value into a json string
4
Q
How do you deserialize a JSON string into a data structure using JavaScript?
A
JSON.parse()n
5
Q
How to you store data in localStorage?
A
storage.setItem(key name, key value)
6
Q
How to you retrieve data from localStorage?
A
storage.getItem(key name)
7
Q
What data type can localStorage save in the browser?
A
string data
8
Q
When does the ‘beforeunload’ event fire on the window object?
A
??????
