JSON, XML

JSON file extension

.json

In the below notation, Employee is of type { "Employee": [ "Amy", "Bob", "John" ] }

Array

What function will convert a text into a JavaScript object

JSON.parse()

JSON strings must be in

double quote

JSON syntax

- Data is in name/value pairs - Data is separated by commas - Curly braces hold objects - Square brackets hold arrays *Example*: var json-object-name={strong : number_value,......}

What is a benefit of JSON over XML?

JSON has less mark-up requirements and therefore is lighter than XML

What function will convert a JavaScript object to a JSON string?

JSON.stringify()

What does JSON stand for?

JavaScript Object Notation

In this example, what is the TYPE of employee? { "employee" : { "type" : "Director", "functions" : ['sales', 'marketing'] } }

Object

JSON elements are separated by...

comma

Which of these is proper a JSON array? Select one: a. { "letters" : [ "a", "b", "c"; ] } b. { 'letters' : {"a", "b", "c" } } c. { "letters" : [ a, b, c ] } d. { "letters" : [ "a", "b", "c" ] }

d. { "letters" : [ "a", "b", "c" ] }

In modern websites, what is the common use for JSON

to send and receive bits of data

True or False: JSON standard is an open standard

true