Javascript

Question 1

callback function

Answer 1

A function that pass in another function as argument.
A callback function is created in order to be executed at a later point in time.
(often in event)

Question 2

function

Answer 2

a block of code designed to perform a particular task

Question 3

how many way to define function ?

Answer 3

6: function decoration function name()
function expression const name = function () {}
shorthand const name = {} => defined using object
arrow function

Question 4

return vs console.log

Answer 4

return is to return a actual value

console.log: to print some information to the console

Question 5

scope

Answer 5

defines visibility and accessibility of our variables

Question 6

way to access object value

Answer 6

bracket notation

dot notation

Question 7

object

Answer 7

Objects are incredibly useful for storing paired and grouped data in JavaScript

Question 8

array

Answer 8

you wanted to make a list of values where the order mattered

Question 9

API

Answer 9

Application programming interface,
refer to a set of instructions and protocols of communication that facilitate communication between a client and a server

Question 10

REST API

Answer 10

api organization principles used by many developer (representational state transfer)

Question 11

Communicate with API

Answer 11

HTTP: hypertext transfer protocol, tell api what we want to do, get, post, put, delete

Question 12

AJAX

Answer 12

AJAX (Asynchronous JavaScript and XML) because it allows us to send and receive data asynchronously

Question 13

fetch

Answer 13

requesting data from as a single argument to the fetch() method