HTML Interview Questions and Answers in 2025 (100+ Q&A)

Ques:- Can I use XML namespaces in DTDs?

Asked In :- AnAr Solutions, Young Globes, OSI Digital, Delta India Electronics, Jiva Ayurveda, Softsuave, Systenics Solutions, eBay Classifieds, Extended Web AppTech, E-T-A,

Right Answer:
No, you cannot use XML namespaces in DTDs.

HTML 5 Div Coding Project Leader/ Project Manager

Ques:- How do I link to a location in the middle of an HTML document?

Asked In :- Appiness Interactive, C E I India, Infomats Technologies, SRF, IT Cube Solutions, VYSHNAVI INFORMATION TECHNOLOGIES INDIA, ConveGenius, Paragon Digital Services, Slk Software Pvt Ltd, kps,

Right Answer:
To link to a location in the middle of an HTML document, use an anchor tag (`<a>`) with a `href` attribute pointing to the ID of the target element. For example:

1. Add an ID to the target element:
```html
<h2 id="section1">Section 1</h2>
```

2. Create a link to that ID:
```html
<a href="#section1">Go to Section 1</a>
```

HTML 5 Div Coding Instructional Designer

Ques:- Write a script to customize the test results in PDF and HTML format.

Asked In :- SpringRole, Kumon Group, Specbee, VEDA IIT, iLeap, Spirit of Math Schools, Lingoda, Freedom English Academy, NCR Eduservices, ICT Academy of Kerala,

Right Answer:
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Test Results</title>
<style>
body { font-family: Arial, sans-serif; }
.result { margin: 20px; padding: 10px; border: 1px solid #ccc; }
</style>
</head>
<body>
<div class="result">
<h1>Test Results</h1>
<p>Score: 85%</p>
<p>Date: 2023-10-01</p>
</div>
<button onclick="downloadPDF()">Download PDF</button>
<button onclick="downloadHTML()">Download HTML</button>

<script>
function downloadPDF() {
const element = document.querySelector('.result');
html2

HTML 5 Div Coding Usability Engineer

Ques:- Why is this XSLT important inxhtml?

Asked In :- DSVV, ESDS Software Solution, Delta India Electronics, vTech Solution, eBay Classifieds, Wix, CodeQuotient, Bristol Healthcare Services, Sanden Vikas, western power,

Right Answer:
XSLT is important in XHTML because it allows for the transformation of XML data into a format that can be displayed as XHTML, enabling dynamic content presentation and separation of data from its presentation.

HTML 5 Div Coding Web Programmer

Ques:- What is the difference b/w DHTML and HTML?

Asked In :- Maventic, Cloud Analogy, ExpertLancing, AKS WebSoft, sopra banking software, aptean, accord software & systems, fullscript, long and mcquade, fbd,

Right Answer:
DHTML (Dynamic HTML) is an extension of HTML that allows for interactive and animated web pages by combining HTML, CSS, and JavaScript, while HTML (HyperText Markup Language) is the standard markup language used to create static web pages.

Flash Animator/ Scripting HTML 5 Div Coding

Ques:- How can I check for errors om html?

Asked In :- Appiness Interactive, Zyoin Web Pvt., FABHOST WEB SOLUTIONS, Tekno Point Multimedia, Shop Hop, GALAXE SOLUTIONS INDIA PVT, Coforge, citiustech, einfochips, eventbrite,

Right Answer:
You can check for errors in HTML by using the W3C Markup Validation Service at validator.w3.org, which analyzes your HTML code and highlights any errors or warnings. Additionally, you can use browser developer tools to inspect elements and view console errors.

HTML 5 Div Coding Usability Engineer

Ques:- What is XHTML Modularization?

Asked In :- Health Prime Services (India), ApMoSys Technologies, BuroHappold, Wexford County Council, TechRAQ Info Solutions, Relecura, E-T-A, MEP Consulting Engineers, Surya Tech Solutions, south african police service (saps),

Right Answer:
XHTML Modularization is a framework that allows for the creation of custom XHTML document types by combining different modules, enabling flexibility and reusability in web development.

HTML 5 Div Coding Web Programmer

Ques:- What is the features of DHTML?

Asked In :- Streebo Solutions, TechMojo Solutions, AM InfoWeb, Global Infotainment, Quicko Infosoft, Digital India Web, adam milo, sirclo, dicom events, long and mcquade,

Right Answer:
DHTML (Dynamic HTML) features include:

1. **Dynamic Content**: Allows content to change without reloading the page.
2. **Animation**: Enables animations and transitions using CSS and JavaScript.
3. **Interactivity**: Facilitates user interaction through events and scripts.
4. **Style Manipulation**: Allows real-time changes to styles and layouts using CSS.
5. **Document Object Model (DOM) Manipulation**: Enables dynamic changes to the HTML structure.

HTML 5 Div Coding Usability Engineer

Ques:- How does XHTML differ from HTML ?

Asked In :- Aruba Networks, Health Asyst, Ginger Webs, Innodata, SpiceJet, MagicPin, Health Prime Services (India), Jiva Ayurveda, Polus Software, Poppulo,

Right Answer:
XHTML is a stricter and more XML-compliant version of HTML. It requires proper nesting of elements, closing of all tags, and the use of lowercase for tag names and attributes, while HTML is more lenient with these rules.

Flash Animator/ Scripting HTML 5 Div Coding

Ques:- In DHTML what is the difference between FontSize and Font Size ?? A: FontSize is a property, Font Size is a style

Asked In :- Digite Infotech, Zessta Software Services, Nira, Prodapt SA, Unified Infotech, Savantis, Webtech Developers, De Shaw, zocdoc, cardekho,

Right Answer:
FontSize is a property used in scripting (like JavaScript), while Font Size is a CSS style used for styling text in HTML.

HTML 5 Div Coding Usability Engineer

Ques:- How do I add midi music to my web page

Asked In :- AnAr Solutions, Lucid Software, Health Asyst, Smart Cube India, INNOART TECHNOLOGIES, CPC Diagnostics, Jiva Ayurveda, Profound Edutech, Wexford County Council, Gloify,

Right Answer:
To add MIDI music to your web page, use the `<embed>` or `<audio>` tag. Here’s an example using the `<embed>` tag:

```html
<embed src="path/to/your/music.mid" autostart="true" loop="true" width="300" height="100">
```

Or using the `<audio>` tag:

```html
<audio controls>
<source src="path/to/your/music.mid" type="audio/midi">
Your browser does not support the audio tag.
</audio>
```

Flash Animator/ Scripting HTML 5 Div Coding

Ques:- What is the difference between DOM and SAX? What would you use if an option is given?

Asked In :- LiteBreeze Infotech, INNOART TECHNOLOGIES, ACS IT SOLUTIONS, OodlesTechnologies, VEDA IIT, iNEXTURE, Lister Digital, rws, iprice group, duda,

Right Answer:
DOM (Document Object Model) loads the entire XML or HTML document into memory and allows for easy manipulation of the document structure, while SAX (Simple API for XML) reads the document sequentially and triggers events, making it more memory efficient for large files but less flexible for manipulation. If given an option, I would use DOM for smaller documents where manipulation is needed, and SAX for larger documents where memory efficiency is a priority.

HTML 5 Div Coding User Interface Designer

Ques:- What is the DOM?

Asked In :- Sun Dew Solutions, SpotOn Software, Yudiz Solutions, Sapphire Software Solutions, INNOART TECHNOLOGIES, Celusion Technologies, Knowledge Splice, Rheal Software, UCA, XT Global,

Right Answer:
The DOM (Document Object Model) is a programming interface that represents the structure of a web document as a tree of objects, allowing scripts to manipulate the content, structure, and style of the document dynamically.

HTML 5 Div Coding Visual Designer/ Animator

Ques:- How can I require that fields be filled in, or filled in correctly?

Asked In :- Hummingbird Web Solutions, Addweb solutions, TRICON INFOTECH PVT, Befree, Quality Kiosk, Ranosys Technologies, Profound Edutech, Influx Solution, Coforge, Blue Yonder,

Right Answer:

HTML 5 Div Coding Web Programmer

Ques:- How to change HTML Attribute using HTML DOM?

Asked In :- Aliens Group, DSVV, Smart Soc Solutions, Thinkitive Technologies, odoo, syncfusion, ktm, kahoot!, flm, one banc,

Right Answer:
You can change an HTML attribute using the HTML DOM by selecting the element and using the `setAttribute` method. For example:

```javascript
document.querySelector('.post-title').setAttribute('data-question-id', '12345');
```

Application Designer HTML 5 Div Coding

Ques:- What is the simplest HTML page?

Asked In :- CareerNet, ESDS Software Solution, Cybrosys Technologies, ION Group, eRelego Digi Media, Gloify, citiustech, bigcommerce, sbl, excelsoft technologies,

Right Answer:
```html
<!DOCTYPE html>
<html>
<head>
<title>Simple HTML Page</title>
</head>
<body>
<h1>Hello, World!</h1>
</body>
</html>
```

HTML 5 Div Coding User Interface Designer

Ques:- How do I create a link that opens a new window?

Asked In :- Toxsl Technologies, Webvillee Technology, CodeClouds IT Solutions, Adapty Solutions, IMAGINATION TECHNOLOGIES LIMITED, Keka, Anlage Infotech (I), ProPhoenix Technologies, Sapphire Software Solutions, Plural Technology Inc,

Right Answer:
To create a link that opens a new window, use the following HTML code:

```html
<a href="https://www.example.com" target="_blank">Open Example</a>
```

Flash Animator/ Scripting HTML 5 Div Coding

Ques:- How do I use forms?

Asked In :- Innodata, Twilio, Streebo Solutions, Webskitters, Quadrant Resource, Reliance Jio, sbl, silverlink technologies, mop, 4w technologies,

Right Answer:
To use forms in HTML, you need to use the `<form>` tag to create a form container. Inside the form, you can include various input elements like `<input>`, `<textarea>`, `<select>`, and buttons. Each input should have a `name` attribute to identify the data when submitted. Use the `action` attribute in the `<form>` tag to specify where to send the form data, and the `method` attribute to define how to send it (usually "GET" or "POST"). Here's a simple example:

```html
<form action="/submit" method="POST">
<label for="name">Name:</label>
<input type="text" id="name" name="name" required>

<label for="email">Email:</label>
<input type="email" id="email" name="email" required>

<input type="submit" value="Submit">
</form>
```

Flash Animator/ Scripting HTML 5 Div Coding

Ques:- What is DOM and how does it relate to XML?

Asked In :- Appscrip, Junior Assistant, Sweans Technologies, GeoVista Technologies, AKS WebSoft, Brokerbay, the aa, ntrust infotech, mmt digital, codeable,

Right Answer:
DOM, or Document Object Model, is a programming interface that represents and interacts with XML (and HTML) documents as a tree structure. It allows developers to access and manipulate the content, structure, and style of the document dynamically.

HTML 5 Div Coding Web Designer

Ques:- How do I write my own DTD?

Asked In :- Techversant Infotech, Iprimed Education Solutions, Profound Edutech, Ula Design, Travidux Technologies, Gloify, Surya Tech Solutions, Reliance Jio, wattpad, syncfusion,

Right Answer:
To write your own DTD (Document Type Definition), follow these steps:

1. Declare the DTD at the beginning of your XML or HTML document using the `<!DOCTYPE>` declaration.
2. Define the elements and their relationships using the following syntax:

```dtd
<!ELEMENT element-name (child-element1, child-element2*)>
```

3. Specify attributes for elements if needed:

```dtd
<!ATTLIST element-name attribute-name attribute-type default-value>
```

4. Save the DTD in a separate file or include it directly in your document.

Example:

```dtd
<!DOCTYPE mydocument [
<!ELEMENT mydocument (title, body)>
<!ELEMENT title (#PCDATA)>
<!ELEMENT body (#PCDATA)>
]>
```

HTML, or HyperText Markup Language, is the bedrock of the World Wide Web. It’s not a programming language in the traditional sense, but a markup language that provides the structure and meaning of web content. Think of it as the skeleton of a website, defining the layout and organization of everything you see on a web page. The language works through a system of tags, which are keywords enclosed in angle brackets, like <p> for a paragraph or <img> for an image. These tags tell a web browser how to display and interpret the content. For example, a heading tag <h1> signals that the enclosed text is a main heading, and the browser will render it as such.

HTML is responsible for organizing text, links, images, tables, lists, and other elements into a coherent and readable format. It provides the semantical foundation for the content, which is crucial for accessibility tools like screen readers and for search engine optimization (SEO). While HTML creates the structure, it is often paired with other technologies to handle the aesthetics and functionality. CSS (Cascading Style Sheets) is used to style the content, controlling colors, fonts, and layouts, while JavaScript adds interactivity and dynamic behavior. Together, this trio forms the core of modern web development. Every web page you visit, from a simple blog to a complex e-commerce site, is built on an HTML foundation, making it an indispensable skill for anyone looking to build or understand websites.

Questions in: HTML

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