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This tutorial provides a set of commonly asked Web Developer Interview Questions and Answers for junior and senior-level front end web developers:. It is essential for the marketing team to build a reliable web presence, advertise their products and services to their prospective customers, keep track, and provide after-sales services to existing customers. Web applications are built with the purpose of being accessible globally, being recognized, and offer their products and services across the international market.

Web Designing Interview Questions & Answers

This tutorial provides a set of commonly asked Web Developer Interview Questions and Answers for junior and senior-level front end web developers:. It is essential for the marketing team to build a reliable web presence, advertise their products and services to their prospective customers, keep track, and provide after-sales services to existing customers.

Web applications are built with the purpose of being accessible globally, being recognized, and offer their products and services across the international market. Web development refers to the work involved in building and maintaining websites and web-based applications like online eCommerce sites, Amazon, Flipkart, eBay, etc and Social Networking sites like Facebook, LinkedIn, Instagram and Twitter.

This also includes the work in building websites for railways, banks, all major government sites to broadcast information and generate awareness. Generate public awareness and provide education via news channels using web conferencing software Skype, Zoom, GoToMeeting. Educate students, conduct meetings to address customers and teams across geographical boundaries.

Now let us move on to the most common Web Developer interview questions for junior as well as senior-level interviews. Q 1 Explain the functionality of a browser. Answer: Framework is a structure that provides a platform to create applications.

Example: API framework, that contains well tested, pre-written, and compiled classes to accomplish common functionalities like upload file feature, read file contents, reports in PDF and similar formats integrated with their web application. Q 4 What is a library with context to web development? Answer: A library is a collection of code that are pretested and designed for expected functionalities developed by developers and are available in repositories. Web developers can integrate these libraries and utilize their functionalities rather than reinventing the code to accomplish the same functionality from the beginning.

You can use iText and Apache FOP libraries in your application to help export your data in pdf format files. Q 5 What are the reasons for the browser freeze issue? Answer: To identify the root cause and to resolve the frequent browser freeze issue, follow the steps mentioned below:.

Q 6 How to improve the user experience for users visiting your website? Answer: Following are the suggestions to improve the user experience:. Q 7 What are the video formats used in web development?

Answer: Some video formats supported and used in web development are listed below:. Q 8 How would you include accessibility features to your website? Answer: Accessibility is an essential feature required to be implemented on your website to allow visitors with special needs, disabilities to access and explore your website.

Answer: AJAX updates section of page contents, without reloading the entire page. This feature is essential when user needs fast results, without any delay of waiting for the request sent by clicking the submit button and waiting for the response.

The server load can be reduced by applying AJAX with less number of requests which saves bandwidth. You can use AJAX for form validation. Q 10 How can we implement web services in web-based applications?

At a given URL, the web service processes the request and returns the response back to the application. Q 11 How and what security features can you apply to your website? Answer: To guard your website against data theft, you need to improve security for your website, such as. Q 12 What configuration and setup is required for sending emails via your website?

Q 13 What would you build a responsive website for? Answer: Responsive web design help automatically resize the browser width and height based on desktops, tablets, and mobile with respect to desktop or laptop monitor size.

Q 14 What are the formats for data exchange? Answer: In networking terminology, the protocol is a set of rules to format and process data. In order to communicate, both devices should have the same protocol. Internet Protocol IP is a network layer protocol and is responsible for routing. User Datagram Protocol UDP are used in fast data exchange applications like video streaming and gaming.

Q 16 What techniques would you apply to reduce page load time? Answer: In order to reduce page load time and improve performance, the following techniques can be applied:. Q 18 What priorities you would consider while building a web application? Answer: The following priorities should be kept in mind while building web applications:.

Answer: New semantic, graphic, multimedia elements were introduced in HTML5, various attributes to elements were added whereas few elements were removed. Q 21 What is the DOM element and its hierarchy? Answer: Document object is an HTML document that gets displayed in a browser window when we access the web page. Form control elements: All the input elements like text fields, buttons, radio buttons, checkboxes, lists, etc.

Q 22 When should you use id and class selector? Answer: ID as a selector is defined to uniquely identify it as an element, hence there should not be same ID applied to any other element within the same page. Whereas class selectors are types of CSS selectors that are applied in order to add style to that element, for example, font family, font size, or color, hence class selectors can be applied to multiple elements. In JavaScript we have getElementById method that returns the first element found in source code, whereas getElementsByClassName method returns collection of elements with particular classname.

Q 24 What is the difference between Null, Empty, and Undefined value and how can you handle each? Answer: Empty string, Null, and Undefined are similar in type, but differ from each other. Undefined: When we just declare a variable but have assigned no value. OR variable is not existent or not declared. Example: value; console. Null: Identifiers or names given to functions, variables, does exist, but has no value.

Empty String: When a variable with the string data type does not contain any character data. Q 25 Explain different pop-up windows used in JavaScript. Answer: There are mainly three types of pop up boxes in JavaScript, viz.

Alert, Confirm, and Prompt. Alert is a pop-up window to give information to the user with the Ok button. Users can read the message and click on the Ok button to close this window. Confirm is a pop-up window for users to decide and select either one of the options, from OK and Cancel. Prompt is a type of pop-up where the user is advised to enter some value like name, or age, and upon clicking the OK button, it accepts the value entered.

Q 26 Describe the use of CSS animation with example. These are explained below:. Answer: Div and Span are both used to represent a particular section of the webpage, but both differ from each other as explained in the table below:. Thus, in this tutorial, we have discussed interview questions related to developing and maintaining websites and web-based applications.

Also, we must know to configure applications on web servers, and database, handling SEO keywords, web security, and browser compatibility. You should be well versed with networking knowledge such as protocol, web services, user experience, problem-solving, and innovations in web and mobile applications as well as security, session handling, and accessibility features.

Last Updated: January 18, HTTP 1. Messages both request and response are encapsulated in binary format, giving more protection from any unauthorized alterations.

Finds difficulty in handling whitespace, capitalization and line endings. Use binary protocols that handle elements like whitespace, capitalization and line endings more efficiently Needs more bandwidth to process the page contents Consumes less bandwidth to display page contents Prioritization of loading contents is not possible in HTTP 1.

Loads resources one after another taking time to load the contents on a page Sends multiple streams of data using single TCP connection. Uses server push help to store resources to be used in request in browser's cache, even before requested, displaying content quickly. SVG Canvas is a container element for graphics like box, circle, ellipse etc in HTML page is container for drawing graphics using javascript SVG is scalable and suitable for high resolution printing Canvas is not scalable and are not suitable for high resolution printing Display better performance loading small number of objects and large surface objects Display better performance loading large number of objects and small surface object SVG can be modified by script and css Canvas can be modified only with script SVG is vector based made of shapes Canvas is raster based made of pixels.

Div Span Div is a block level element Span is an inline element Div tag is used to wrap sections of document Span tag is used to wrap text and images in small portions Div is used creating CSS based layouts Span is used to add style to text Div accepts align attribute Span does not accept align attribute. Use binary protocols that handle elements like whitespace, capitalization and line endings more efficiently.

Sends multiple streams of data using single TCP connection. Display better performance loading small number of objects and large surface objects. Display better performance loading large number of objects and small surface object.

Top 21 Web Designer Interview Questions & Answers to Impress HR in 2019

What is white space and how does it affect content on the web? White space in graphic design is any area left intentionally blank. Both in web design and other media white space can be efficiently used to visually separate or group elements, to draw attention to a specific element, to reinforce the content layout or grid. Sometimes, white space is also used purely aesthetically to create visually interesting compositions. Gestalt principles are part of the theory of visual perception. A few of the principles commonly used in design are:.


1) Mention what are the main language or platform used for web-design? 2) Explain how can you set an image as a background on web pages? 3) Mention what do you mean by Responsive design on a web page? 4) Mention what are some bad examples of web design? 5) Explain what is Information Architecture?


300+ TOP WEB DESIGNING Interview Questions and Answers

Learning web designing is very easy and it can be fun in many ways. Moreover, web designing can have many opportunities in store. The main challenge for any web designer is learning web designer interview questions , succeeding in company placements and getting a job.

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Are you looking for a web designer job and going to an interview soon, but still have no clue about how to prepare for an interview? Are you worried that you will lose out on your dream job because you lack basic interview skills? This article provides 21 of the latest essential web designer interview questions and answers. So, you can easily impress the interviewers and land that job smoothly. Display your best design projects and showcase your design talents with a striking online design portfolio.

300+ TOP WEB DESIGNING Interview Questions and Answers

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