HTML5 Developer Interview Questions

In the world of web development, HTML5 Developers are the architects of captivating online experiences. These 25 questions navigate through the intricacies of hiring the perfect HTML5 Developer. We've curated a collection of insightful interview questions that will help you uncover a candidate's ability to transform ideas into responsive and visually appealing web solutions. From their understanding of HTML5's latest advancements to their problem-solving prowess in real-world scenarios, these questions are your toolkit for identifying top-notch HTML5 Developers.
Explain the new HTML5 structural elements. Answer: They include
,
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What are the new input types in HTML5? Answer: Examples include email, tel, and date.
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Describe the purpose of the element. Answer: It's for dynamic, scriptable rendering of graphics.
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What is local storage, and how is it different from session storage? Answer: Local storage stores data with no expiration date; session storage stores data for one session.
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What is the HTML5 Doctype declaration? Answer: is the HTML5 Doctype.
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How can you embed audio and video in HTML5? Answer: Using the
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Explain the new form input attributes in HTML5. Answer: Examples include placeholder and required.
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What is responsive web design? Answer: Design approach that adapts to various screen sizes.
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How can you optimize web performance in HTML5? Answer: Techniques like minimizing HTTP requests.
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What is semantic HTML? Answer: Using HTML elements to convey the document's structure.
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Describe the purpose of the
and elements. Answer: Used for creating interactive disclosure widgets.
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What is the Geolocation API? Answer: API for obtaining a user's geographic location.
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Explain the HTML5 contenteditable attribute. Answer: It allows the content of an element to be edited.
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How can you ensure HTML5 compatibility with older browsers? Answer: Use polyfills and feature detection.
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What is the difference between SVG and HTML5 Canvas? Answer: SVG creates vector graphics, while Canvas is for pixel-based graphics.
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Describe the role of the
element. Answer: Used for self-contained, independently distributable content.
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What is the purpose of the
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Explain the HTML5 pushState method. Answer: Used for adding entries to the browser's session history stack.
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How do you implement server-sent events (SSE) in HTML5? Answer: Use the EventSource object for real-time updates.
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What is WebSockets in HTML5? Answer: Protocol for two-way communication between client and server.
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Describe the difference between cookies and HTML5 Web Storage. Answer: Cookies are sent with every HTTP request, while Web Storage is faster and has more capacity.
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How can you validate user input in HTML5 forms? Answer: Use attributes like required and HTML5 validation APIs.
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Explain the importance of the viewport meta tag. Answer: It controls the viewport's dimensions and scaling.
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What are data-* attributes in HTML5? Answer: Custom attributes for storing data private to the page.
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Hiring an HTML5 Developers With Braintrust

In your pursuit of HTML5 Developers, we stand ready to assist in finding top talent swiftly. With our services, you can expect to be matched with five highly-qualified HTML5 Developers within just minutes. Let us streamline your recruitment process and connect you with the skilled professionals you seek to meet your needs effectively.

Looking for Work

Ben Johnson

Ben Johnson

UI Engineer
Austin, TX, USA
  • HTML
  • CSS
  • Illustration

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Iaroslav Titov

Iaroslav Titov

Software Engineer
Alexandria, VA, USA
  • Kotlin
  • C#

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Jenny Casey

Jenny Casey

Design Director
New York, NY, USA
  • Web
  • Branding

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