#javascriptinterviewquestions

0* Tricky JavaScript Interview Questions And Answers

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08 Tricky JavaScript Interview Questions And Answers

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Tricky JavaScript Interview Questions And Answers

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Here is a compilation of updated top HTML interview questions 2020 that will help you to crack your interview and dig deeper into the emerging career of an HTML programmer. These questions are prepared for both of the fresher and experienced developers who are preparing for a job interview. As we all know that HTML is a very basic language that is required for starting the work on web development. So, I am sure these listed below questions will help you to get an insight into the HTML interview questions.  

 1-      What do you understand by HTML?

HTML stands for Hypertext Markup Language and it is used for creating the templates of the websites to present the content over the worldwide web.

 2-      Name some of the common lists that are being used for designing a page?

Some of the common lists that are being used for designing a page are as follows:

·         Ordered list

·         Unordered list

·         Definition list

·         Menu list

·         Directory list

 3-      What is an image map?

Image map allows us to link between the various web pages with the use of just one single image. Also, the shape's image shapes can be a part of an image mapping.

4-      How can we insert a copyright symbol on a browser page?

We can insert a copyright symbol on a browser page by typing © or & #169; in an HTML file.

 5-      How can we create a Hyperlink in HTML?

HTML contains an anchor tag that is responsible for creating a hyperlink linking one page to another page. These following tags can appear in ways such as

·         Active Link

·         Visited Link

·         Unvisited Link

So, that is all about the HTML Interview questions that are frequently asked by the recruiters. If you are a novice and not clear about the concepts of the HTML, you can learn HTML Online to dig deeper into HTML basics.      

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SQL is probably used for database interaction and management. Nowadays, SQL skills are essential for getting jobs, especially in the web development field. In this blog, I am going to introduce a set of SQL interview questions to cope up with the growing competition in IT markets.

Let’s Continue !!

1) What is DBMS?

DBMS is known as the file manager program that is designed for data management in the database which includes creating, implementing and maintaining data. It provides a systematic method to perform modification, administration, and retrieval. Data present in the DBMS’s applications are stored as a file.

2) What is RDBMS?

A relational database management system (RDBMS) is a software program store information in the form of tables. Moreover, it offers the relational operators for performing data manipulations across the tables.

3) What do you mean by SQL?

SQL (Structured Query Language) is known as the standard language to interact with the database. It is designed to accomplish database tasks like retrieval and insertion.

4) What do you mean by “Table” in a Database?

A table is known as a database object that can be used for storing the record in terms of rows and columns.

5) What is “Record” in a Database?

A record is known as the row of the table that contains arranged sets of interrelated data. It has the capability to hold multiple values. Moreover, It is known as a data structure to hold different kinds of data items.

Example

< 402 yuvi 405>

6) What do you mean by the “database” in DBMS?

The database comprises of logically related records or data.

7) List some major objectives of DBS?

* Data availability

* Data integrity

* Data independence

8) List some applications of the DBS system?

* Reservations systems

* Telecommunications

* Banking

* Sales

* Scientific applications

9) What are the keys that are present in DBMS?

There are mainly six key founds in DBMS to manage the table. They are:

* Candidate key

* Foreign key

* Primary key

* Secondary keys/Alternate key

* Composite key

* Super key

10) How can you maintain and identify relations between two or more than two tables in DBMS?

Keys are used in maintaining the relationship between tables.

Listed below are some of the most frequently asked JavaScript Interview Questions that are published by the Coding tag to reduce the burden of the job seekers?  You can simply get through these questions and these will probably help you to reduce your burden in finding the best interview questions.

Also, I have tried to use very simple and basic language so that you can easily understand the answers.

Without wasting any more time, let’s have a look through these questions.

1-      What is JavaScript?

JavaScript is a scripting language that can be embedded into HTML pages. Moreover, JavaScript is also considered as an object based programming language.

    2-      Name the different JavaScript data types?

The different types of JavaScript data types are:

ü  Boolean

ü  Number

ü  String

ü  Object

ü  Undefined

  3-      Name the company that introduced JavaScript?

The company that proposed JavaScript is Netscape which is a software company.

  4-      How can we read and write a file in JavaScript?

·   We can read and write a file in JavaScript by following two methods, they are

·         We can use JavaScript extension

·         A web page and Active X objects can also be used

  Also, read an an extensive list of JavaScript Interview Questions for more such answers.

  5-      What do you understand by an undefined value in JavaScript?

·         An undefined value in JavaScript means

·         The variables that are used in the code that doesn’t exist

·         Variable is not associated with any value

·         The Property doesn't exist

  Conclusion