frontend development interview questions:
What is HTML and what is its role in web development?
HTML stands for Hypertext Markup Language and it is used to structure and present content on the web. HTML provides a standard way to describe the elements of a web page, such as headings, paragraphs, images, and links.
What is CSS and what is its role in web development?
CSS stands for Cascading Style Sheets and it is used to control the layout and visual style of web pages. CSS allows developers to specify the font styles, colors, positioning, and other visual attributes of HTML elements.
What is JavaScript and what is its role in web development?
JavaScript is a scripting language that is used to add interactivity and dynamic functionality to web pages. It can be used to create animations, validate forms, manipulate the DOM, and perform other tasks.
What is a responsive web design and why is it important?
A responsive web design is a design approach that allows web pages to adapt to different screen sizes and device types. It is important because it ensures that users can access and use your website on any device, from desktops to smartphones.
What are some popular CSS frameworks and how do they help with development?
Popular CSS frameworks include Bootstrap, Foundation, and Materialize. They provide a set of pre-designed CSS classes and JavaScript components that can be used to create responsive, consistent, and visually appealing web designs more quickly.
What is a single-page application (SPA) and how does it differ from a traditional multi-page application?
A single-page application is a web application that loads a single HTML page and dynamically updates its content as the user interacts with it. It differs from a traditional multi-page application, which loads a new HTML page every time the user navigates to a different section of the application.
What is version control and what are some popular version control tools?
Version control is a system for tracking changes to code and other files over time. It helps developers to collaborate on projects, keep track of changes, and revert to previous versions if needed. Popular version control tools include Git, SVN, and Mercurial.
What is the difference between HTTP and HTTPS?
HTTP stands for Hypertext Transfer Protocol, while HTTPS stands for Hypertext Transfer Protocol Secure. The main difference between the two is that HTTPS uses SSL/TLS encryption to secure the data that is transmitted between the web server and the user’s browser.