Interview Faqs & Ans: Javascript, NodeJS, ReactJS, AngularJS
2.1 (29 ratings)
Course Ratings are calculated from individual students’ ratings and a variety of other signals, like age of rating and reliability, to ensure that they reflect course quality fairly and accurately.
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Interview Faqs & Ans: Javascript, NodeJS, ReactJS, AngularJS

A guide to interview preparation for Javascript, NodeJS, ReactJS, AngularJS
2.1 (29 ratings)
Course Ratings are calculated from individual students’ ratings and a variety of other signals, like age of rating and reliability, to ensure that they reflect course quality fairly and accurately.
3,906 students enrolled
Created by Satish Venkatesh
Last updated 4/2020
English
English [Auto-generated]
Current price: $13.99 Original price: $19.99 Discount: 30% off
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This course includes
  • 4.5 hours on-demand video
  • 9 articles
  • Full lifetime access
  • Access on mobile and TV
  • Certificate of Completion
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What you'll learn
  • Ability to answer the interview questions in Javascript, NodeJS, ReactJS, AngularJS
Course content
Expand all 229 lectures 04:45:46
+ Interview Faqs & Ans: JavaScript
73 lectures 02:24:28
name the entity which is used to interact with the browser ?
03:05
is the window object an object of javascript ?
01:25
explain the usage of the function confirm ?
02:47
explain the usage of the function prompt ?
02:31
explain the usage of the function open() ?
01:18
is it possible to navigate the history of urls visited by the user ?
01:01
Please check if the below is a valid pgm ?
01:21
can the document.write() function directly use the return value of a function as
01:15
explain the concept of dynamic type language ?
00:47
Validate the given statements ?
01:10
do we really have '==' operator in javascript ?
00:23
is it possible to create the html form in the run time ?
03:14
in javascript, is the object created with out creating the class ?
04:42
do we really require a constructor to create an array in javascript ?
02:27
what is the diff in the output of 81 + 82 + "85" and "81" + 82 + 85 ?
01:18
explain the client side javascript and server side javascript ?
00:46
if a variable is undefined, do we have a null value in it ?
00:55
list the pop boxes of javascript ?
00:13
can we use the navigator.appVersion string to detect the version of the app we a
00:20
can i use document.body.bgColor="yellow" to change the background color ?
00:44
what is "undefined" and "not defined" ?
03:33
what is the output of the code ?
04:22
does creating private methods a memory efficient solution ?
02:06
explain the concept of closure ?
03:54
define the function add() which is called in the code given ?
02:14
how can we empty the array ?
03:05
does the delete operator affects the global/local variable of type number ?
01:16
does the delete operator deletes the property of an object ?
01:07
does the delete operator delete the prototype property ?
01:39
what is the output of the given code ?
01:12
what is the output of the given code ?
01:36
what is the output of the given code ?
01:35
explain the given code statements ?
00:15
what is the output of the given code ?
03:19
what is the sideeffect of typeof var1 === "object" ?
04:46
what is the output of the given code ?
02:43
what is the output of the given code ?
02:15
why should i be putting the entire content of a javascript source file in a func
00:45
what is "use strict" ?
03:08
what is the output of the given code ?
02:02
what is Nan ?
00:39
what is the output of the given code ?
01:13
what is the output of the given code ?
03:27
write the function which finds out whether a string is a palindrome or not ?
01:34
Implement the mul function called given ?
02:04
what is the output of the given code ?
01:24
what is the output of the given code ?
01:50
what is the output of the given code ?
04:50
what is the output of the given code ?
06:34
what is the output of the given code ?
02:36
what is the output of the given code ?
01:23
what is the output of the given code ?
01:30
what is the output of the given code ?
02:04
what is the output of the given code ?
01:41
what is the output of the given code ?
02:53
what is the output of the given code ?
03:48
what is the output of the given code ?
01:28
what is the output of the given code ?
02:50
what is the output of the given code ?
01:13
what is the output of the given code ?
01:13
what is the output of the given code ?
00:59
what is the output of the given code ?
03:05
what is the output of the given code ?
00:26
explain the two ways of event propogation ?
01:41
how can we close the current window in java script ?
00:24
explain the concepts of let and var
01:15
explain the concept of delegation model ?
00:38
explain the concept of negative infinity ?
00:47
state whether the given statements are true/false ?
02:32
+ Interview Faqs & Ans: NodeJS
47 lectures 43:50
who introduced Node.js and does the software costs us to use it ?
00:16
does nodejs support event looping ?
00:07
why do we need nodejs ?
01:07
explain the api functions in nodejs ?
00:18
what is that which is used to pass errors and data in nodejs ?
00:19
what is meant by non-blocking apis ?
00:33
what are the different options we can use to avoid having callback funtions ?
00:33
what is that code segment which always run in between several asynchronous funct
00:46
list functions which can be done in a non-blocking way using the event loop ?
00:20
what are the different tools used to catch common errors during static analysis
00:28
what is the output of the given code ?
03:22
how child threads are handled in nodejs ?
00:53
how unhandled exceptions are caught by nodejs ?
01:18
when executed, does node.js really take advantage of multiple core resources in
00:45
is the first argument passed to a callback handler really a optional error objec
01:09
explain promises ?
00:48
what is the name of the function which checks whether the variable value is a nu
01:23
what is the problem with the given code snippet ?
01:51
what is the difference between Node.js and Ajax ?
00:40
explain chaining in nodejs ?
00:18
explain streams in nodejs ?
00:44
explain exit codes in nodejs ?
00:25
explain globals in nodejs ?
00:47
is consistent style really important in nodejs ?
00:26
is there a difference between angularjs and nodejs ?
00:15
while dealing with variables what is the difference of using var and not using v
00:44
in REPL, what is the use of underscore variable ?
00:54
what is the difference between global installation of dependencies and local ins
01:32
why are we executing the given command ?
00:21
what is package json ?
01:18
how do you uninstall a dependency using npm ?
00:24
what is blocking code and what is used to prevent it ?
00:36
explain event loop ?
00:46
explain even emitter ?
01:10
explain buffer class ?
00:23
how do you connect output of one stream to another stream ?
01:10
why do we need var fs=require("fs")
00:57
what is the purpose of the given flags in read/write operation on files ?
02:33
are there any event fired by streams ?
00:42
explain fs.open() call ?
00:55
explain fs.read() call ?
01:19
explain fs.writeFile() call ?
00:58
explain the calls fs.close(), fs.stat(), fs.ftruncate(), fs.unlink(), fs.mkdir()
03:10
explain __filename and __dirname ?
00:52
explain settimeout(),cleartimeout(), setinterval() ?
02:20
explain console object/process object() ?
00:24
+ Interview Faqs & Ans: ReactJS
45 lectures 59:53
explain the concepts of components ?
01:09
explain jsx ?
00:56
does each component in reactjs has lifecycle methods ?
01:48
how can we use events in Reactjs ?
00:57
explain flux ?
00:30
explain refs ?
00:37
explain stateless components ?
00:32
is there a difference between dom and virtual dom ?
01:02
what are the disadvantages of reactjs ?
01:04
controlled vs uncontrolled components ?
00:41
functional components vs class components ?
00:52
explain higher order components ?
00:30
is Reactjs different from Angularjs ?
01:45
explain arrow function ?
00:33
explain render function ?
00:44
explain component lifecycle methods in detail ?
02:49
explain different phases of react component's life cycle ?
00:56
explain in detail the difference between real and virtual dom ?
01:05
explain in detail the difference between react and angular ?
00:58
can browsers read jsx ?
00:30
explain props ?
00:36
explain states ?
00:32
states vs props ?
01:21
explain synthetic events in react ?
00:29
controlled vs uncontrolled components ?
00:41
explain pure components ?
00:22
explain the importance of keys in React ?
00:34
list the issues with mvc framework ?
00:22
explain Redux ?
01:25
explain the importance of Reducer ?
00:35
explain the importance of store ?
00:52
redux vs flux ?
01:17
list advantages of redux ?
01:33
explain react router ?
02:08
conventional routing vs react routing ?
00:58
what is the importance of switch keyword used in react router v4 ?
00:43
ES5 vs ES6 ?
05:54
explain virtual dom ?
06:12
explain java script tool chain ?
02:56
what are will's, did's, should's ?
03:47
explain the importance of keys with an example ?
01:09
setState() vs forceUpdate()
01:38
explain pure functional components ?
00:54
shouldComponentUpdate causes a component to render only when it's ID changes - t
00:16
+ Interview Faqs & Ans: AngularJS
55 lectures 35:57
explain data binding in angularjs?
00:13
explain scope in angularjs ?
00:10
explain controllers in angularjs ?
00:20
explain services in angularjs ?
00:23
explain filters in angularjs ?
00:16
explain directives in angularjs ?
00:25
explain templates in angularjs ?
00:17
explain routing in angularjs ?
00:13
explain deep linking in angularjs ?
00:14
what are the advantages/disadvantages of angularjs ?
01:26
what are the core directives of angularjs ?
00:33
explain angularjs boot process ?
00:47
explain mvc ?
00:33
explain ng-app directive ?
00:10
explain ng-bind directive ?
00:22
explain ng-controller directive ?
00:25
explain how the angularjs integrates with html ?
00:58
Question 19
00:58
explain ng-init directive ?
00:13
explain ng-repeat directive ?
00:08
explain angularJS expressions ?
00:20
explain uppercase/lowercase filters ?
00:56
explain currency filter ?
00:28
explain filter filters ?
00:22
explain orderby filter ?
00:22
explain ng-disabled, ng-show, ng-hide, ng-click directive ?
02:01
explain angular module ?
00:35
how to validate data in Angular js ?
00:37
explain the ng-include directive ?
00:22
how to make a Ajax call using Angular JS ?
00:57
explain the use of $routeProvider service ?
00:20
explain rootScope ?
00:30
explain service in Angularjs ?
00:42
what is service method and factory method ?
01:00
list core components which can be injected into each others as dependencies ?
00:31
explain extensibility of Angular JS ?
00:52
list the type of components on which we can create custom directives ?
00:51
explain internationalization ?
00:51
explain the basic steps to unit test an Angular JS filter ?
01:09
how can we keep track on the maximum number of concurrent watches ?
01:35
can we share data between controllers ?
00:38
explain ng-show/ng-hide and ng-if directives ?
00:47
explain digest cycle ?
00:22
can we use AngularJS together with jQuery ?
01:02
what is the use of :: ?
00:30
what is the difference between one way binding vs two way binding ?
00:26
explain functionality of $scope.$apply() ?
00:40
explain angular.copy() ?
00:36
explain the given code ?
01:09
list some of the inbuilt servies in angularjs ?
01:58
how can i define the way my directive will be used ?
00:42
what can i use an attribute or an element ?
00:23
explain singleton pattern ?
00:43
explain interceptor ?
00:43
+ Try the below pgms:
8 lectures 01:24
Question 1
00:03
Question 2
00:27
Question 3
00:13
Question 4
00:02
Question 5
00:02
Question 6
00:10
Question 7
00:07
Question 8
00:17
Requirements
  • Basics of Programming
Description

Hello and Welcome To the course :

Interview Faqs & Ans: JavaScript, NodeJs, ReactJs, AngularJs

my name is Satish and currently i work as a software developer in Bangalore, India.

This course is from a software engineer who has managed to crack interviews in around 16 software companies.

Sometimes, life gives us no time to prepare, There are emergency times where in we have to buck up our guts and start  bringing the situations under our control rather then being in the control of the situation.  At the end of the day, All leave this earth empty handed. But given a situation, we should live up or fight up in such a way that the whole action sequence should make us proud and be giving us goosebumps when we think about it right after 10 years.

If you are looking for a job as a software developer in JavaScript or Nodejs or ReactJs or AngularJs or If you are planning to improve/refresh your knowledge in any of these technologies. Then, this course is for you.

So, This is basically an interview preparation course wherein You will be learning different interview questions/answers related to the technologies:

Javascript,

Nodejs,

Reactjs,

Angularjs


Here, Each and every answer to the interview question is explained in detail with utmost clarity such that it will help you to get a hold on the concepts.

The purpose of this course is:

Get you prepared on the different interview questions asked in different technologies dealt in the course.

The objective is not just to make you memorize the answers for the various interview questions, but to make u understand the concepts and purpose behind those concepts. This will give you a strong hold on the concepts and will help you to improve your confidence in answering any interview questions asked to you. The different set of questions we will be discussing in this course are the actual questions which are asked in the interview process from different companies.

so, if you want to be well prepared for JavaScript, Nodejs, Reactjs, Angularjs interviews and strengthen your conceptual knowledge, then this is the course which will meet your criteria.

Please enroll in the course. We have tried to provide our best. Once enrolled, If you feel the course is not meeting any of your criteria, Please let us know and as per Udemy's policy,  Please refund the course fee.


Who this course is for:
  • All Experienced candidates who are looking for jobs and preparing for interviews
  • All Fresh candidates who are looking for jobs and preparing for interviews