angularInterview

Question 1

What is ng-directive?

Answer 1

So this is the thing that angular extends html with

Question 2

What is ng-app?

Answer 2

Well a directive. need it so to define angular js app

Question 3

What is the ng-model

Answer 3

it binds the value of input field with the application variable
For eg
so like it binds the input value with the name var

Question 4

What is ng-bind?

Answer 4

so this one binds application data with the HTML view.

Question 5

how do you write angular js expressions?

Answer 5

in the {{}}
eg : {{9+9}}}
{{func()}}
and also this can be used to bind.

Question 6

what is the ng-controller?

Answer 6

Controls the Angular js application

Question 7

What is ng-module for?

Answer 7

defining the angular js application

Question 8

Write a code to define a module and a controller.

Answer 8

var app=angular.module("myApp", []);
app.controller("myController", function($scope){//write functions});

Question 9

What are the two ways you can write expressions?

Answer 9

<p></p>

{{5+5}}

Question 10

ng-init purpose?

Answer 10

var i=0;
to initialize the values to the variables

Question 11

create an object in angular using the ng-init :

Answer 11

<div>

| {{league.adc}}</div>

Question 12

What angularJS expression contain?

Answer 12

like js, 
Literals
operators
variable
LOV = literals operators and variables

Question 13

Difference between angular expression and javascript expression

Answer 13

angular js can be written inside the HTML

Angular doesnt support conditionals, loops and exceptions while js does

Question 14

What is the angularJS module?

Answer 14

• defines an application
• is a container for the different parts of an application, container for the application controller
  and controllers always belong to the module

Question 15

$scope

$rootScope

Answer 15

$rootScope is the global one

Question 16

angular is one way or two way? WHY?

Answer 16

two-way binding.

cause angularjs is the synchronization between the model and the view.

Question 17

what is a scope?

Answer 17

the binding part between the HTML(view) and the JS(controller)
So available for both the view and the controller.
$scope is the object

Question 18

what is filter?

Answer 18

added to expression by using | , followed by the filter

Question 19

$http

Answer 19

makes a request to the server and returns a response

Question 20

What are the methods of $http

Answer 20

.delete()
.get()
.head()
.jsonp()
.patch()
.post()
.put()

Question 21

What are the properties of http?

Answer 21

.config : object that generates request
.header : function to get header information
.status : number of the HTTP status
.statusText : string of the http status
.data : carries response from the server

Question 22

100
200
300
400
500

Answer 22

100-informational
200-success
300-redirect
400-client
500-server error

Question 23

name angularjs events

Answer 23

ng-blur
ng-click
ng-copy
ng-page

Question 24

What is the API to convert to lower case?

Answer 24

lowercase()

Question 25

How to convert to the upper case?

Answer 25

uppercase()

Question 26

how to convert to the String

Answer 26

toString()

Question 27

how to convert to number?

Answer 27

isNumber()

Question 28

how to include html from an external file?

Answer 28

ng-include

Question 29

When and How to use routing?

Answer 29

ngRoute module

for SPA

Question 30

Routing?

Answer 30

.when
{template}
.when
.otherwise

Question 31

What does ng-init do?

Answer 31

So it initializes the value of the application app

Question 32

ng-expression mistake know this

Answer 32

either this {{}}

or ng-binnd=”5+5”

Question 33

Tell me the similarities/differences between angularJS and javascript

Answer 33

Similarities they both have Literals, Operators and Varaiables
Differences
Angular expression can be written inside the HTML
Angular supports filters but javascript does not.
It doesn’t support loops, conditionals, exceptions

Question 34

What’s the code for making the module?

Answer 34

angular.module

Question 35

So if you have the module what can you put in there?

Answer 35

controller, directives, filters and parts of the applications

Question 36

How to create a directive?

Answer 36

var app=angular.module("myApp",[]);
app.directive("some", function(){});

Question 37

Name the ways you can invoke a directive.

Answer 37

ACE

• element
• attribute <div></div>
• comment
• class <div class="some"></div>

Question 38

How do you place restrictions for each?

Answer 38

E for element
C for class
M for comment
A for attribute
so you would do
restrict : A

Question 39

how to include external controllers

Question 40

What does json filter do?

Answer 40

Formats an object to a JSON String

Question 41

What does limitTo do?

Answer 41

Limits an array/string, into a specified number of elements/characters

Question 42

app.controller(“control”,function($scope, $location); What is the $location? What is the second one?

Answer 42

$location is the service

passed as dependency

Question 43

Name the methods of $http service

Answer 43

.head()
.delete()
.get()
.jsonp()
.put()
.post()
.patch()

Question 44

What are the response properties?

Answer 44

config
data
headers
status
statusText

Question 45

What’s the point of using ng-option and ng-repeat

Answer 45

ng-repeat : it has to be string

ng-option : it can be object

Question 46

Use ng events

Answer 46

answer