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50 Frontend Developer Interview Questions
HTML and CSS
- What is the difference between HTML and HTML5?
Ans: HTML5 is the latest version of HTML, introducing new elements like<article>, <section>, and <nav>, as well as new APIs like Canvas, Web Workers, and local storage.
2. Explain the box model in CSS.
Ans:- The CSS box model comprises margins, borders, padding, and the content itself. It defines how elements are visually structured on a webpage.
3. What is the difference between display: none and visibility: hidden in CSS?
Ans:display: none removes the element from the document flow, while visibility: hidden makes the element invisible but retains its space.
4. What are CSS preprocessors? Give examples.
Ans: CSS preprocessors extend CSS with features like variables, nested rules, and mixins. Examples include Sass, LESS, and Stylus.
5. How do you make a website responsive?
Ans: Techniques include using flexible grid layouts, media queries, responsive images, and CSS frameworks like Bootstrap or Foundation.
6. What is Flexbox and how does it work?
Ans: Flexbox is a CSS layout module that makes it easier to design flexible and…
