Telaverge Communications Front end Developer Interview Questions and Answers

Q1. Tell me about yourself.
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Q2. What are your salary expectations?
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Q3. Share details of your previous job.
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Q4. Why should we hire you?
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Q5. Why are you looking for a change?
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Share details of your previous job.
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Q4. Tell me about yourself.
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Q1. What is the D/W == and === in JavaScript, and when would you use each?
Ans. 
In JavaScript, '==' checks for value equality, while '===' checks for both value and type equality.
• '==' performs type coercion, converting operands to the same type before comparison.

• Example: '5' == 5 returns true because '5' is coerced to a number.

• '===' checks both value and type, so no coercion occurs.

• Example: '5' === 5 returns false because the types (string and number) are different.

• Use '==' when you want to allow ...read more
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Q2. How does the virtual DOM work in React, and why is it beneficial?
Ans. 
The virtual DOM in React optimizes rendering by minimizing direct updates to the real DOM, enhancing performance.
• The virtual DOM is a lightweight copy of the real DOM, allowing React to manage changes efficiently.

• When a component's state changes, React creates a new virtual DOM tree and compares it with the previous one (diffing).

• Only the differences (or 'deltas') are updated in the real DOM, reducing the number of dir...read more
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In coding questions.

Q1. Basics of technical questions
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Q2. About my self and my skills related
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Q3. What is HTML, and what is its role in web development?
Ans. 
HTML stands for Hypertext Markup Language and is the standard markup language for creating web pages.
• HTML is used to structure content on the web by using a series of elements and tags.

• It provides the basic building blocks for creating websites, such as headings, paragraphs, images, links, and forms.

• HTML works in conjunction with CSS (Cascading Style Sheets) and JavaScript to create visually appealing and interactive w...read more
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Q4. Explain the basic structure of an HTML document.
Ans. 
The basic structure of an HTML document includes the doctype declaration, html element, head element, and body element.
• DOCTYPE declaration specifies the version of HTML being used

• HTML element wraps the entire content of the document

• Head element contains meta information about the document

• Body element contains the visible content of the document
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Q5. What is the purpose of HTML tags and attributes?
Ans. 
HTML tags and attributes are used to structure and define content on a web page.
• HTML tags are used to define different elements on a web page, such as headings, paragraphs, images, links, etc.

• Attributes provide additional information about an element, such as its appearance, behavior, or functionality.

• For example, the <img> tag is used to display an image on a web page, and the 'src' attribute specifies the image...read more
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Basics of html and css

Q1. How was the importance of html.
Ans. 
HTML is a fundamental language for creating web pages and is essential for structuring content on the internet.
• HTML stands for HyperText Markup Language

• It is used to create the structure of web pages by using elements like headings, paragraphs, images, links, etc.

• HTML is the backbone of web development and is essential for creating accessible and user-friendly websites
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Q2. How was the importance of css.
Ans. 
CSS is crucial for styling and formatting web pages, enhancing user experience and creating visually appealing designs.
• CSS is used to control the layout, colors, fonts, and overall appearance of a website.

• It allows for responsive design, making websites adapt to different screen sizes and devices.

• CSS can be used to create animations, transitions, and interactive elements on a webpage.

• Without CSS, web pages would be pla...read more
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Q3. What is the Html and css.
Ans. 
HTML and CSS are the building blocks of web development, used to create and style web pages.
• HTML stands for HyperText Markup Language and is used to structure content on a web page.

• CSS stands for Cascading Style Sheets and is used to style the content created with HTML.

• HTML uses tags to define elements like headings, paragraphs, images, and links.

• CSS allows for styling elements with properties like color, font size, ma...read more
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Q4. What is the DOCTYPE declaration in HTML, and why is it important
Ans. 
DOCTYPE declaration in HTML specifies the version of HTML being used in the document.
• DOCTYPE declaration is placed at the very beginning of an HTML document before the <html> tag.

• It informs the web browser about the version of HTML being used, which helps in rendering the page correctly.

• It also helps in triggering the browser's standards mode, ensuring consistent display across different browsers.

• Example: <!DO...read more
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Q5. How can you include external CSS and JavaScript files in an HTML document.
Ans. 
External CSS and JavaScript files can be included in an HTML document using the <link> and <script> tags.
• Use the <link> tag with the 'rel' attribute set to 'stylesheet' to include external CSS files.

• Use the <script> tag with the 'src' attribute to include external JavaScript files.

• Make sure to specify the correct file path in the 'href' attribute for CSS files and 'src' attribute for JavaScript ...read more
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HTML CSS BOOTSTRAP JAVASCRIPT

Q1. Tell About Your Self.
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Q2. What are your strength
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Q3. Consider the type of interview you can expect
Ans. 
A face-to-face interview or Online interview
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Q4. Why did you decide to apply for this position?
Ans. 
'I see the role as a way of developing my career in a forward-thinking/well-established company/industry as…' 'I feel I will succeed in the role because I have experience in/softs skills that demonstrate/ I've taken this course believe my skills are well-suited to this job .
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Q5. Why do you want to work here?
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“I see this opportunity as a way to contribute to an exciting/forward-thinking/fast-moving company/industry,
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GD can be divided into 3 categories

Q1. Tell me about yourself
Ans. 
I am a front end developer with 5 years of experience in creating user-friendly and visually appealing websites.
• 5 years of experience in front end development

• Proficient in HTML, CSS, and JavaScript

• Strong understanding of responsive design principles

• Experience with front end frameworks like React and Angular

• Ability to collaborate with designers and backend developers to implement website features

• Portfolio showcasing pre...read more
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Q2. Why do you want to join Webdew
Ans. 
I want to join Webdew because of their reputation for innovative web development and their focus on creating user-friendly experiences.
• Webdew has a strong track record of delivering cutting-edge web development projects.

• I am impressed by their portfolio of user-friendly websites and applications.

• I believe joining Webdew will provide me with opportunities to learn and grow as a front-end developer.

• Their company culture ...read more
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Q3. What were your day-to-day responsibilities at your last job?
Ans. 
As a front end developer, my day-to-day responsibilities at my last job included designing and developing user interfaces, collaborating with the design team, and ensuring cross-browser compatibility.
• Designing and developing user interfaces

• Collaborating with the design team

• Ensuring cross-browser compatibility
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