Best Front-end Developer Interview Questions And Answers

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. A list of helpful front-end related questions you can use to interview potential candidates, test yourself or completely ignore. In a website, front-end is the part that users accesses while interacting with the website including images, buttons, colours, animations, forms, typography etc. While the frontend developer is a programmer that codes the front end of a website and ensures that a visibility of site remains same throughout different web browsers.

Static – Elements are positioned static by default, these elements are not affected by positional attributes . If an element is positioned static it follows the normal flow of the page. Absolute – An absolute element is positioned relative to the nearest parent element. In case a parent element is not present it is positioned based on the page itself and moves along with the page scroll. While writing HTML it is a common practice to add an end tag, some tags in HTML do not require end tags. When the browser hits the next occurrence of the tag it automatically ends the previous tags.

What is the key difference between cookies, session storage, and local storage?

XSS is a type of “attack”, in which malicious code is injected into otherwise trusted websites. A List is an ordered sequence of elements that may be duplicated whereas a Set is a collection of distinct elements which is unordered. A good way to introduce a junior developer to your codebase is to have them fix issues in your backlog, so you’ll want to see what their aptitude is for troubleshooting.

Thus, the time taken is less, and the loading of the rest of the part of the web page is delayed, which saves storage. NullUndefinedA null is an object with no value.Undefined is a type.Null is an intentional absence of the value.

What are Pipes in Angular? Explain its types

JSON is used to send and receive data between the web server and the client, but to send data to the web server, the object needs to be a string. At IK, you get the unique opportunity to learn from expert instructors who are hiring managers and tech leads at Google, Facebook, Apple, and other top Silicon Valley tech companies.

The interviewer may ask you a question like this to assess your knowledge of CSS properties and how they can be used. Your interview needs to cover a particular set of technologies that are core to doing front development. 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. A front-end developer’s salary at Google and in the US ranges from $80,746 to $430,000 per year, with an average annual salary of $156,806 per year.

Know your CSS selectors!

Remember to learn about the Front-end Engineer interview process at FAANG+ companies to know what to expect and prepare better for your dream companies. Grids are used in CSS to deal with HTML content after splitting the page into grids. With the help of grids, CSS how to become a front end developer enables the stacking and highlighting different elements in different parts of the grids. Some great ways to decrease the page load time include image optimization, browser cache, optimizing and compressing content, and adding the stylesheet reference on top.