Top 19 Frontend Interview Questions and Answers to help crack your interview

If the user click on a tile that is a bomb, the game is over. Design a webpage which can auto load new posts when you reach the bottom of the page by using JavaScript. Given a timeline write the JavaScript to select all nodes within selection of timeline. Front End Interview Handbook is now part of GreatFrontEnd!

In HTML, the DOCTYPE declaration points to a Document Type Definition . It is used to instruct the web browser about what version of the markup language the page is written. The DOCTYPE declaration is written as the first thing in the HTML document, before the tag.

What was your last project? How did it go?

Such questions on comparing two items or features are common at front end developer interviews. Worldclass front-end developers at Google work tirelessly to create a seamless user experience. It’s no surprise that Google wants to hire the best developers and has very high interview standards.

Also, research about the tech company you are applying for. Having a strong command on these topics can help you crack every interview with ease and confidence. Front end developer interview questions Back-end Engineer job also include explanations and comparisons of various types of version control systems or VCS. VCS is a software tool that helps software teams manage changes to source code over time.

Mid Front-end Developer Interview Questions

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. For medium-sized projects where the application requires more complex functionality, Angular or React might be a better choice. Angular is a complete framework with many built-in features, making it great for larger, more complex projects. React, on the other hand, is highly modular and can be used to build complex applications by integrating with other libraries and tools. For small projects where the application is simple and doesn’t require a lot of complex functionality, React or Vue would be good choices.

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.

How many years of coding experience do you have?

The event loop continues to execute events from the queue, and once it reaches the “fetch” event, it initiates the network request. During the execution of the callback function, other events can be added to the queue. When an event is added to the queue, it’s assigned a priority based on its type and the order in which it was added. EPAM Anywhere’s team shared their vision, insights, and best practices on leveraging ChatGPT for Java development in a free webinar. When the layout, window size, etc of an element is changed, the position of all the elements after it changes accordingly. This in turn affects the flow of the page and is called reflow.

We’ll begin with some basic Google front-end interview questions and answers and get into more comprehensive technical questions later. First, note that a front-end developer can mean many things. When we normally say “front-end,” we mean web applications. But it can also mean iOS, Android, Microsoft, osX, or even Linux applications. Front-end developers focus primarily on design and sometimes, IDEs.

What is a task runner?

User-centered designs are those designs the designer solely focuses on which are according to the needs of users and them in every phase of designing. JQuery is https://wizardsdev.com/ a library built with the JavaScript language, and JavaScript is the language itself. Meta tags are not for the interface they are important for the browser.

For Front-End Developers (and any team member!), it’s normal to feel stressed and overwhelmed once in a while by to-do list priorities. What’s important to look for in a candidate is someone who acknowledges that this can happen and has ways they combat it so that they feel balanced and healthy. The words they pick can say much more about a person than you might think. It gives you additional insight into what their soft skills are, how they collaborate on a team and how they approach work. Sometimes a problem requires a different way of thinking.

Software engineer interview guide, where we’ve included example questions that also have links to free solutions. On top of finding a good fit, you also have the entire hiring process to worry about. You need to organize your hiring pipeline, get the rest of your team involved and provide potential hires with a positive candidate experience. All while making sure you recruit and hire the right person with the right skills.

• These tasks do not wait for the previous task to complete.
• It’s also worth knowing that the value of `this` can be overwritten with the bind method.
• When the layout, window size, etc of an element is changed, the position of all the elements after it changes accordingly.
• A great place to start is to practice with friends if you can.
• In JavaScript, the object system is prototype-based, not class-based.
• Overall, the event loop allows JavaScript to handle multiple events and tasks in a non-blocking and efficient manner, making it an essential component of modern web development.