React, on the other hand, is highly modular and can be used to build complex applications by integrating with other libraries and tools. Every time you need to include modifications, you would require an extra merging commit. On the other hand, in Git rebase, you can rebase the feature branch into master instead of merging it. This includes all the new commits in the master branch and rewrites the project history by creating brand new commits for each one in the original branch.

In HTML, a marquee is a scrolling piece of text displayed on the webpage. According to the marquee settings, it is either scrolled horizontally across or vertically up or down your web page. The marquee effect is created by using HTML tag, which automatically scrolls the text or images up, down, left, or right. Host Objects are the objects supplied by a particular environment. On the other hand, the Native Objects are the standard built-in objects provided by JavaScript. CoffeeScript facilitates developers to express their programs with a lot shorter code than JavaScript.

Front-end Developer Interview Questions

Apply for EPAM Anywhere’s remote JavaScript developer jobs to build a remote career on your own terms. By using multiple .env files, developers can define environment-specific variables, making it easier and more practical to manage and maintain the application across different environments. For example, a development environment might use a different database or API key than the production environment. Using multiple .env files in a software project is a common practice to manage different environment variables required by the application.

We have set up a series of mock coding interview training videos so you can learn the best ways to prepare for your upcoming interview. Select an assessment platform that can https://wizardsdev.com/en/vacancy/back-end-engineer-java-kotlin/ accurately measure a candidate’s technical skill level. Recruiting technical talent can be a complex process, but with the right tools in place, it doesn’t need to be.

What do you understand by a callback function?

Before I started working on the project, the website had accessibility issues which were highlighted by the client. I used assistive technologies during the development stage to test the website’s compatibility. Through this process, I was able to identify numerous accessibility issues and address them accordingly. You can expect the questions to be mainly on JavaScript, HTML, and CSS. Think Leetcode-type questions involving data structures and algorithms, but with a practical focus on what you might encounter building user interfaces at Facebook.

This distributes your files across multiple servers, so users can download them from their respective locations. Some benefits of using bootstrap include reducing required written code, having a consistent framework across multiple projects, and easier creation of responsive layouts. Responsive design is a web development technique that creates websites compatible with multiple devices with different screen sizes. Responsive websites are designed to look good on both desktop and mobile devices. AJAX is a web development technique for creating asynchronous web applications.

How Senior Engineers Build React Apps

Walk in with a clean portfolio and prepare with test questions and answers. A content delivery network is a system for delivering content to users based on geographic location. CDNs can deliver websites, software applications, and other types of digital content. These front end engineering interview questions aim to confirm you know the basics of development and design.

Career and coding interview, where you can expect behavioral questions about your background and motivation as well as some more coding questions. First, recruiters will look at your resume and assess if your experience matches the open position. This is the most competitive step in the process, as millions of candidates do not make it past this stage.

How do you test for accessibility, and what tools do you use for this purpose?

But it can also mean iOS, Android, Microsoft, osX, or even Linux applications. Front-end developers focus primarily on design and sometimes, IDEs. Know what type of front-end role you’re going for before you start studying — because there will be technical questions involved. One of my recent projects was a redesign of a government agency’s website.

• They can help you get an interview at the beginning, but that’s about it.
• But apart from the more obvious, high-level technical questions, we recommend throwing in some of these questions in your next Front-End Developer interview.
• It is essential to know at least the basic SELECT, INSERT, DELETE and UPDATE functions and understand relational databases.
• Additionally, I always use semantic HTML markup and ARIA attributes to ensure that assistive technologies can easily read and interpret the content.
• The front end role has a significant impact on the end product.
• Collaborative pair programming sessions that quickly showcase a candidate’s true skills in a familiar environment.

There are hundreds of battle-proven software development experts in our Talent Network. One of the main goals of such standards is to provide cross-platform compatibility and more compact file sizes. These standards aim to decouple “content” from “formatting” by implementing CSS. But the peculiarity is that instead of creating non-initialized objects, it returns objects that are initialized with values ​​ copied from a prototype – or sample – object. JqLite is part of the AngularJS and you use it to solve the dom-manipulation thing.

Q2. How can we remove duplicate entries from a JavaScript Array?

But in our experience, the prestige in itself won’t make you happy day-to-day. It’s the type of work and the people you work with that will. But before investing tens of hours preparing for an interview at Facebook, you should take some time to make sure it’s actually the right company for you. This is obviously extreme and not what we recommend doing, but it shows how much effort some candidates are ready to put in. We’ve listed the four steps we recommend taking to prepare as efficiently as possible below.

Bash, ZSH, OhMyZSH, or just Shell — all are suitable here. The idea is that you have to navigate it and understand the specifics of your OS. As for Node.js, it is enough to know how to run a simple “Hello, world” server. It is crucial for front end developers to have basic REST API knowledge because a stateless solution is rare. You don’t need to know about optimization, performance, database setup, or other complicated areas, but you should be able to write an SQL query.