Saturday, December 3, 2022

Entry Level Front-end Developer Interview Questions

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Frontend Interview Questions 2021 | Front End Developer Interview Questions And Answers |Simplilearn

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What Technical Skills And Knowledge Will Be Covered In The Interview

Your developer resume will give the interviewer a good place to start with their questions, so be sure that it highlights your front-end development skills. They’ll be looking for competency in HTML, CSS, JavaScript, user interface skills, and possibly other programming languages and libraries included in their tech stack.

At a bare minimum, you should prepare to answer technical questions in the fundamental programming languages for front-end development:

What Are Some Ways To Enhance Page Performance

Page performance is a key metric for front-end developers. It can be increased by incorporating some of the following methods.

  • Cleaning the HTML document.
  • Using sprites, compressed images, and smaller images.
  • Adding JavaScript at the bottom of the page.
  • Reducing external HTTP requests.
  • Minifying CSS, JavaScript, HTML.
  • Using CDN and Caching.

With that, weve wrapped up our guide to acing your front-end developer interview. By being prepared to answer variations of these ten questions, you will be one step ahead of your competition during the interview process.

If you read these questions and found yourself second guessing your knowledge, you should consider our Software Engineering course. Its designed to give you all the technical skills and interview prep required to land your dream job. Or, if youd just like a bit more guidance on how to succeed as a front-end developer for a company youll love, our blog is full of useful articles to help you do just that.

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Top 50 Full Stack Developer Interview Questions And Answers

The process of finding a good developer is very difficult and time-consuming, as you have to take into account their skillset, experience, culture fit, and more.

Being a full-stack developer is essential to keep up with the changes in the market. So to get the job you want, its important for you to know what interviewers are looking for. You will need to be sure that your core skills are up-to-date and that you understand the various frameworks and languages.

There are many things to consider when interviewing for any role, but the most important thing is understanding what skillset you are hoping to invest in.

Questions are asked during the interview process to allow the interviewer to determine the candidates ability level. This article will guide you on what questions are typically asked during an interview for a full-stack developer.

We are going to discuss the top 50 full stack developer important questions that are most commonly asked in interviews. But before directly jumping to the interview questions, we shall have a brief introduction of a Full Stack Developer. A powerful developer is the backbone of any company.

Make sure youre prepared for your next job interview by learning these important questions that are most commonly asked in interviews.

What Are Your Preferred Content Management Systems

Front End Developer Resume Example &  Guide (20+ Tips)

Most candidates will have experience with a popular content management system like WordPress or Joomla. If so, ask them to tell you about any themes or modules they built. Some candidates might have experience with headless CMS, which does not have a front-end interface, or decoupled CMS, where the front-end and back-end communicate through an API layer.

Experience in headless or decoupled CMS sends a strong signal that the candidate has advanced web development skills.

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Define A Callback In Javascript

A callback function is a function that has been passed to a new function as an argument. Through such callbacks, functions can call each other.

Another advantage of callback functions is that they can run both synchronously and asynchronously . In web development projects, they are typically used to perform events before a callback is executed.

Testing a candidates knowledge of Node.js is also a good idea feel free to use our list of Node.js interview questions.

When Planning The Design Layout What Parameters Do You Consider Do You Have A Design Checklist

Help interviewers envision you as an employee by offering a window into your design process. This is an opportunity to showcase your approach to a foundational design task while spotlighting your ability to apply conceptual knowledge in a hands-on scenario. A successful layout will present information in a way that helps users seamlessly achieve their goals.

To design an effective layout, youll need to consider key parameters like information hierarchy, the size and type of device through which users will access the product, and the ways in which users will interact with the product. Youll also need to consider default layouts that users already knowfamiliarity reduces friction. A design checklist will help you optimize your layout by directing your attention to the efficacy of core design features like:

  • Typography. The goal is readability. Consider line height, uppercase tracking, font style, font weight, text contrast.
  • Spacing and Margins. Use padding to clarify relationships between UI elements and introduce information gradually to prevent overwhelm.
  • Imagery and color. A cohesive look is key for brand recognition. Use iconography with consistent line widths, weights, sizes, and colors. Stick to your color palette. Image sizes should be cohesive.
  • UI elements. Reuse UI elements. Check how all UI elements are displayed on screens of different sizes and how they respond to various orientations. Ensure interactive elements function correctly.

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What Design Process Do You Follow And How Do You Validate Your Decisions

A strong case study is crucial to successfully answering this question. Think of a project youve worked on and walk the interviewer through each step of the UI/UX design process. Some of the questions you might try to answer include how you incorporated user research and usability testing into your designs, what you learned from design trends, how each stepfrom the initial wireframes, mockups, personas, and information architecture to prototypes and the final layoutinformed the next, and how you developed an understanding of the user experience along the way. Your response should show the interviewer that your choices were well-informed and deliberate.

Q30 What Is Referential Transparency In Functional Programming

Full Stack Developer Interview Questions | Web Development Interview Questions | Simplilearn

Ans A program may have the property of referential transparency if any two expressions in the program that have the same value can be substituted for one another anywhere in the program without changing the result of the program.

It is used in functional programming. For example, consider the following code snippet:

  • count1 = + y) * z)
  • temp = fun
  • count2 = temp + y * temp z
  • The variables count1 and count2 will be equal if the value of fun is not reflected. If the variable count1 is not equal to the variable count2, the referential transparency is violated.

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    What Is The Difference Between A Get Request And Post Request

    It wouldnt be a true front-end developer interview without some technical coding questions.

    Normally, a GET request is used for functions such as when an AJAX calls to an API . GET requests’ security is generally limited and the requests are viewable by the user in the URL.

    On the other hand, a POST request comprises of two steps and cant be viewed by a user. As a result, POST requests are more secure. Also, a POST request is typically used to store data in a database or submit data through a form.

    If you have previous experience, you might want to describe how youve used these requests in front-end development projects.

    Talk Me Through The Steps You Take When An Application Stops Working

    Solving problems is at the heart of web development, so listen to how candidates talk about fixing things that go wrong. Do they break down the situation and analyze potential causes? Do they know when to ask for help and where to find answers? How do they respond if their first idea for a solution doesnt pan out?

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    Research The Company Before The Interview

    Before you arrive for your interview, visit the company’s website and read up on its history and goals. An internet search may also be useful. The more you know about the company, the easier it can be to form your answers during the interview. It also lets you determine if you could see yourself working for the company should they offer you the job.

    Web Developer Interview Questions

    11+ Front End Developer Resume Sample

    Job interviews can be nerve-wracking, especially if youre starting out as an entry-level web developer. However, preparing your responses to guaranteed questions will help you dodge any potential pitfalls.

    One of the major positives to web development interviews is that youve likely already had the chance to impress. Most interview processes will include a technical challenge so that you can show off your coding skills beforehand. In addition, youll also have your web development portfolio to support you in the interview. It will prove a valuable reference point when discussing projects youve worked on and scenarios youve been in. Lastly, the stress on the day itself can be lessened by preparing for some of the more common questions that will come up. This is where we come in.

    In this post, well go through some of the most common web developer interview questions and share some advice on how to answer them. Weve divided the questions loosely into three groupsintroductory questions that will typically give you an opportunity to break the ice at the start of the interview, behavioral questions where the recruiter is wanting to get some insights into not just how you work but also how you work with others, and lastly, some more technical web developer interview questions.

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    Differentiate Between Git Merge And Git Rebase

    Assume you’re working on a new feature in a dedicated branch, and another team member pushes new commits to the master branch.

    Merge

    Merge is used to incorporate new commits into your feature branch. Every time you need to include modifications, this requires an extra merging commit. It taints the history of your feature branch.

    Rebase

    You can rebase the feature branch into master instead of merging it. This incorporates all the new commits in the master branch. It also re-writes the project history by creating brand new commits for each commit in the original branch.

    This brings us to the end of Git Questions. These are some of the most important Front End Interview Questions related to Version Control.

    What Does A Front

    Front-end web application developers implement the visual components that website users view and interact with. They work hand in hand with backend developers. A front-end developer leverages web languages and open source libraries like CSS float, doctype HTML, angular, and JavaScript templates to build applications and websites.

    Worth mentioning is that the skills and responsibilities of a front-end developer move hand in hand. Front-end developers use a combination of programming, technology, and design to design a sites appearance. They also focus on debugging. Here are some of the common roles of front-end developers.

    • Leveraging JavaScript, HTML, and CSS to actualize concepts
    • Optimizing user experiences
    • Building and sustaining the user interface
    • Adhering to SEO best practices
    • Developing tools that enhance website interaction for different web browsers
    • Enforcing design on mobile websites
    • Debugging and testing sites for usability
    • Regulating software workflow

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    How Did You Get Started In Creating User Interfaces

    One way to think of this question is as an invitation to show your passion for the craft. Instead of giving the interviewer your life story, come prepared with a story about what drew you to UI design in the first place, how your background might have informed your interest, and whether there are any case studies that are particularly illustrative of what drives you as a designer. Remember: although there is no wrong answer to this type of question, the strongest answers show the recruiter that you have the creativity, problem-solving skills, and motivation to be a valuable addition to the organization.

    What Are The Different Ways To Hide An Element Using Css

    5 Front End Interview Questions That Every NEW Developer Should Know

    display: none

    Hides the content and doesnt store it in the DOM

    visibility: hidden

    It adds the element to the DOM and takes up space. However, it is not visible to the user

    position: absolute

    You can make the element appear outside the screen

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    How To Prepare For A Back End Developer Interview

    When preparing to answer backend technical interview questions, start by noting that one of the most important things an interviewer looks out for is your work style. Are you an independent worker? Are you creative? Do you work best within a team? What is your work philosophy?

    They may not ask these questions directly, but even in the technical questions they ask, they expect the answers to be embedded with easily discernible clues to what it looks like to hire/work with you.

    Therefore, you need to pay attention to not just your answers, but how you deliver them. Interviewers are not only interested in how well you can describe caching, CI/CD, architecture, or software scaling. They want to see how you integrate these skills and knowledge into your work. As such, feel free and confident to draw from a personal example of your own work that can buttress your points and your delivery.

    Why Do You Want To Become A Ui Designer

    Employers want to know what drives YOU and how these motivations will add value to their organization. In lieu of waxing poetic about your passion for UI, get specific about your career goalsand illustrate how these goals align with the mission, values, and business objectives of your potential employer. Highlight the ways that your skills and career motivations match up with the requirements of the role youre applying for as well as the companys broader needs.

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    What Are Meta Tags

    The aim of this question is to test the candidate’s technical knowledge. What to look for in an answer:

    • Understanding of meta tags
    • In-depth industry knowledge

    Example:

    “Meta tags within an HTML document give information about the webpage. Meta tags don’t appear on the website but search engines and browsers use them to help people find the website or navigate the webpage. Meta tags typically consist of data about the document’s title, author, description, keywords, or character set.”

    Could You Tell Me About Yourself

    Front End Developer Resume Example &  Guide (20+ Tips)

    If youve been spending all your time working on technical challenges and memorizing answers to problems, this question can be the most difficult of all. Simple, open-ended, non-technical, its likely to catch you off guard and have you sweating. Instead of being an interview question you might simply want to survive, you can use this as an opportunity to give the interviewer a sense of who you are. It can be a perfect way of framing yourself and convincing them why they should hire you and only you.

    So how can you ace this question? The key is to prepare a short introduction beforehand. While you might be tempted to freestyle this most obvious of questions, this can be dangerousyou might find yourself saying too little and leaving the interviewer with no sense of who you are. Alternatively, going off-script can also lead to you getting distracted and rambling, leaving a poor impression. Length-wise, aim to take around one minute for your answer. The purpose of this question is not just to learn about you, but also how you say itits your communication skills that are under the microscope here.

    Put simply, briefly start with something interesting such as where you come from, your current role , some of your previous experience, and always end with what you want to do next with your careerstarting with the role on offer and what you can bring to it.

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    Tell Me About The Projects Youre Working On In Your Spare Time

    Technology moves fast. When hiring a web developer, youre looking for someone who invests some of their own time in growing their skills and staying on top of emerging trends. Candidates should be able to discuss some personal projects, either past or present, and possibly even show you their work.

    Influence/persuasion Behavioral Interview Questions

    30. Tell me about a recent situation at work in which you were able to convince management to accept one of your ideas.

    31. Describe a situation in which you experienced difficulty in getting others to accept your ideas? What was your approach? How did this work? Were you able to successfully persuade someone to see things your way?

    32. Have you ever had to sell an idea to your project team? How did you do it? Did they buy it?

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    Tell Me About A Time You Had To Give A Presentation

    IT plays a strategic role in many companies, and your web developer may be asked to attend meetings and provide progress reports to leadership. Good candidates dont have to be extroverts, just comfortable speaking in front of others. Follow up by asking how applicants dealt with questions from the audience and what they learned from the overall experience.

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