RequireJS Interview Questions and Answers, RequireJS Interview Questions and Answers Freshers, RequireJS Interview Questions and Answers, RequireJS Interview Questions
Before getting on to the RequireJS interview questions, the student must know that the RequireJS is a continuously varying field which needs the students as well as professionals to upgrade their skills with the new features and knowledge, to get fit for the jobs associated with RequireJS. This post related to RequireJS Interview Questions and Answers, RequireJS Interview Questions and Answers Freshers, RequireJS Interview Questions and Answers, RequireJS Interview Questions will help you let out find all the solutions that are frequently asked in you upcoming RequireJS interview.
Over thousands of vacancies available for the RequireJS developers, experts must be acquaintance with all the component of RequireJS technologies. This is necessary for the students in order to have in-depth knowledge of the subject so that they can have best employment opportunities in the future. Knowing every little detail about RequireJS is the best approach to solve the problems linked with problem.
APTRON has spent hours and hours in researching about the RequireJS Interview Questions and Answers, RequireJS Interview Questions and Answers Freshers, RequireJS Interview Questions and Answers, RequireJS Interview Questions that you might encounter in your upcoming interview. All these questions will alone help you to crack the interview and make you the best among all your competitors.
First of all, let us tell you about how the RequireJS technology is evolving in today’s world and how demanding it is in the upcoming years. In fact, according to one study, most of the companies and businesses have moved to the RequireJS. Now, you cannot predict how huge the future is going to be for the people experienced in the related technologies.
Hence, if you are looking for boosting up your profile and securing your future, RequireJS will help you in reaching the zenith of your career. Apart from this, you would also have a lot of opportunities as a fresher.
These questions alone are omnipotent. Read and re-read the questions and their solutions to get accustomed to what you will be asked in the interview. These RequireJS interview questions and answers will also help you on your way to mastering the skills and will take you to the giant world where worldwide and local businesses, huge or medium, are picking up the best and quality RequireJS professionals.
This ultimate list of best RequireJS interview questions will ride you through the quick knowledge of the subject and topics like Using External Libraries as Dependencies, Asynchronous Module Definition. This RequireJS interview questions and answers can be your next gateway to your next job as a RequireJS expert.
These are very Basic RequireJS Interview Questions and Answers for freshers and experienced both.
Q1: What Is The Role Of Optimizer?
A1: The Optimizer is a built process where your project is deployed to end user and its combines all scripts/css files together and minify them.
Q2: How To Use Require Js With Jquery?
A2: The Require JS uses jQuery and lots of another dependency i.e.
require([‘jquery’], function ($) {
//jQuery was loaded and can be used now.
});
Q3: What Is Amd Module?
A3: The AMD is stands for Asynchronous Module Definition and is used for defining modules and their dependencies with asynchronous manner.
Q4: What Is Data-main Attribute?
A4: The data-main attribute is an attribute that Require JS will check to start script loading. The data-main set to the base URL for all the scripts.
Example:-
<!DOCTYPE html>
<html>
<head>
<script data-main=”libs/main” src=”libs/require.js”></script>
</head>
<body>
<h1> RequireJS Sample apps</h1>
</body>
</html>
Q5: What Is Module In Require Js?
A5: Module is independent unit of program which make easy maintenance and reusability of code. In RequireJs we talk about JavaScript module.
Q6: What Is The Project Structure Of Require Js?
A6: Project directory and the structure looks like:-
- app.js
- index.html
- lib
- modules
- template.js
- require.js
- jquery.js
- underscore.js
Q7: What Are Disadvantage Of Require Js?
A7: No support for AMD in Node.js
Not all modules implement AMD
Q8: What Are The Main Features Of Require Js?
A8: Require JS manages the dependencies between JavaScript files and improves the quality of the code and application speed.
It is combines and minifies the modules into one script for speed-up.
Require JS Collecting the different JavaScript files from different modules at the compilation time.
Easy debugging
Lesser HTTP requests
Reduce code Complexity in large application.
And so on.
Q9: How To Define Entry Point For Require Js?
A9: We need to define an html file and it could be “index.html” where Require JS is loading i.e.
<!DOCTYPE html>
<html>
<head>
<script data-main=”libs/main” src=”libs/require.js”></script>
</head>
<body>
<h1> Require JS Sample apps</h1>
</body>
</html>
In above example, the data-main attribute of require.js will start initialization of files.
Q10: Why Do People Use Require Js? What Are The Benefits?
A10: It is an open source JavaScript library.
It is AMD compatible asynchronous module loader.
It is Asynchronous by nature.
Lazy loaded on-demand.
It is easily portable.
It is Avoids global variables.
It has ability to load nested dependencies.
Its Dependencies are easy to identify.
It can be easily configured.
It can load multiple versions of the same library.
It will make the website more optimize and speed.
Q11: What Are the main Features of RequireJS?
A11:
- RequireJS manages the dependencies between JavaScript files and improves the quality of the code and application speed.
- It is combines and minifies the modules into one script for speed-up.
- RequireJS Collecting the different JavaScript files from different modules at the compilation time.
- Easy debugging
- Lesser HTTP requests
- Reduce code Complexity in large application.
- And so on.
Q12: What Are disadvantage of RequireJS?
A12:
• No support for AMD in Node.js
• Not all modules implement AMD
Q13: What Is module in RequireJs?
A13: Module is independent unit of program which make easy maintenance and reusability of code. In RequireJs we talk about JavaScript module.
Q14: What is data-main attribute?
A14: The data-main attribute is an attribute that RequireJS will check to start script loading. The data-main set to the base URL for all the scripts.
Q15: What Is AMD module?
A15: The AMD is stands for Asynchronous Module Definition and is used for defining modules and their dependencies with asynchronously manner.
Q16: What is the role of Optimizer?
A16: The Optimizer is a built process where your project is deployed to end user and its combines all scripts/css files together and minify them.
Q17: What is the use of define() function in RequireJs?
A17: The define() function is used to load and execute module. It takes two optional parameters (module id and an array of required module) and one required parameter.
1. define(“module_id”,[“module1”, “module2”], function(module1,module2) {
2. }
3. );
Q18: What is the use of require() in RequireJs?
A18: The require() function is used to load required dependency without creation of module.
1. require([‘jquery’], function ($) {
2. });
Q19: What is the use of config() in RequireJs?
A19: The config() function is used to configure the RequireJs runtime functionality.
If we want to change the default configuration of RequireJs with our own configuration, we need to use requirejs.config() function with configuration details.
1. require.config({
2. baseUrl: ‘scripts/app’,
3. paths: {
4. },
5. shim: {
6. }
7. });
Q20: What is the role of Optimizer or Optimize?
A20: Optimize is a built process where the developed project is deployed to end user. While optimize we combines all scripts files and css files together and minify them.
Q21: What are the plugins in RequireJs?
A21: RequireJs’s plugin is used to load various types of resources as dependencies. Following are the plugins available in RequireJs:
- text: This plugin handles loading text based resources like HTML.
- domReady: It load such resource which tries to interact DOM
- cs (CoffeeScript): It load files written in CoffeeScript.
- i18n : It load string bundle used in internationalization (i18n) made up of different language.
RequireJS Conclusion Interview FAQs
We know the list of RequireJS Interview Questions and Answers, RequireJS Interview Questions and Answers Freshers, RequireJS Interview Questions and Answers, RequireJS Interview Questions is overwhelming but the advantages of reading all the questions will maximize your potential and help you crack the interview. The surprising fact is that this RequireJS interview questions and answers post covers all the basic of the RequireJS technology and you have to check out the FAQs of different components of RequireJS too.
However, you will be asked with the questions in the interview related to the above mentioned questions. Preparing and understanding all the concept of RequireJS technology will help you strengthen the other little information around the topic.
After preparing these interview questions, we recommend you to go for a mock interview before facing the real one. You can take the help of your friend or a RequireJS expert to find the loop holes in your skills and knowledge. Moreover, this will also allow you in practicing and improving the communication skill which plays a vital role in getting placed and grabbing high salaries.
Remember, in the interview, the company or the business or you can say the examiner often checks your basic knowledge of the subject. If your basics is covered and strengthened, you can have the job of your dream. The industry experts understand that if the foundation of the student is already made up, it is easy for the company to educate the employ towards advance skills. If there are no basics, there is no meaning of having learnt the subject.
Therefore, it’s never too late to edge all the basics of any technology. If you think that you’ve not acquired the enough skills, you can join our upcoming batch of RequireJS Training in Noida. We are one of the best institute for RequireJS in noida which provide advance learning in the field of RequireJS Course. We’ve highly qualified professionals working with us and promise top quality education to the students.
We hope that you enjoyed reading RequireJS Interview Questions and Answers, RequireJS Interview Questions and Answers Freshers, RequireJS Interview Questions and Answers, RequireJS Interview Questions and all the FAQs associated with the interview. Do not forget to revise all the RequireJS interview questions and answers before going for the RequireJS interview. In addition to this, if you’ve any doubt or query associated with RequireJS, you can contact us anytime. We will be happy to help you out at our earliest convenience. At last, we wish you all the best for your upcoming interview on RequireJS Technology.
