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Umbraco Interview Questions and Answers
Ques:- What is the DOM and how do you manipulate it
Right Answer:
The DOM (Document Object Model) is a programming interface for web documents that represents the structure of a webpage as a tree of objects. You can manipulate the DOM using JavaScript by selecting elements (e.g., using `document.getElementById`, `document.querySelector`), modifying their properties (e.g., `element.innerHTML`, `element.style`), adding or removing elements (e.g., `element.appendChild`, `element.remove`), and responding to events (e.g., `element.addEventListener`).
Ques:- What is the difference between synchronous and asynchronous code
Right Answer:
Synchronous code executes sequentially, meaning each operation must complete before the next one starts. Asynchronous code allows operations to run independently, enabling other tasks to proceed without waiting for the previous ones to finish.
Ques:- What is the difference between frontend and backend development
Right Answer:
Frontend development refers to the part of a website or application that users interact with directly, including the layout, design, and user interface. Backend development involves the server-side, focusing on databases, server logic, and application functionality that users do not see.
Ques:- What is the box model in CSS
Right Answer:
The box model in CSS describes the rectangular boxes generated for elements in a document tree and consists of four areas: content, padding, border, and margin. The content is the innermost area, surrounded by padding, then the border, and finally the margin, which is the outermost area.
Ques:- What are cookies sessions and local storage in web development
Right Answer:
Cookies are small pieces of data stored on the user's computer by the web browser while browsing a website, used for tracking and remembering information about the user. Sessions are temporary storage on the server that keeps track of user data across multiple requests during a single visit, typically expiring when the user closes the browser. Local storage is a web storage feature that allows websites to store data in the user's browser persistently, even after the browser is closed, with no expiration time.
Ques:- How do you create Drop Down Combos in HTML ? select Tag
Right Answer:
To create a drop-down combo in HTML, use the `<select>` tag along with `<option>` tags for each item. Here’s an example:

```html
<select>
<option value="option1">Option 1</option>
<option value="option2">Option 2</option>
<option value="option3">Option 3</option>
</select>
```
Ques:- What is Web Designing and its various application
Right Answer:
Web designing is the process of creating the visual layout and user experience of websites. Its various applications include designing websites for businesses, e-commerce platforms, blogs, portfolios, and online applications, ensuring they are visually appealing, user-friendly, and functional across different devices.
Comments
ipwebsoft Sep 22, 2021

Web designing is the process of creating a Website for business for commercial or branding purpose. This process includes the various things which are essential for building the great web presence.

For web designing following things are needed
Plan of action or simple website structure
Web page Layout
Content
Graphics

Basic requirement for beginners to learn web designing
HTML markup language - For structuring
CSS - For styling
JavaScript - For developing website more responsive and functional.

Web design applications:
To create an interactive source of information for accessing multiple things

Ques:- How can I use forms for pull-down navigation menus?
Right Answer:
You can use a `<select>` element within a `<form>` to create a pull-down navigation menu. Each `<option>` within the `<select>` can represent a different link. Use JavaScript to redirect to the selected page when the user makes a selection. Here's a simple example:

```html
<form onsubmit="window.location.href=this.menu.value; return false;">
<select name="menu">
<option value="">Select a page</option>
<option value="page1.html">Page 1</option>
<option value="page2.html">Page 2</option>
<option value="page3.html">Page 3</option>
</select>
<input type="submit" value="Go">
</form>
```
Ques:- How do I create frames? What is a frameset?
Right Answer:
To create frames, you use the `<frameset>` element instead of the `<body>` element in HTML. A `<frameset>` defines a set of frames, which can display multiple HTML documents in a single browser window. Each frame is defined using the `<frame>` element. However, it's important to note that frames are deprecated in HTML5, and using `<iframe>` is recommended for embedding content instead.
Ques:- How does Z index function?
Right Answer:
The `z-index` property in CSS controls the stacking order of elements that overlap. Elements with a higher `z-index` value are displayed in front of those with a lower value. It only works on positioned elements (those with a position value of `relative`, `absolute`, `fixed`, or `sticky`).
Ques:- Why we are using pages Statics in Website?
Right Answer:
We use static pages in a website for faster loading times, improved SEO, easier caching, and reduced server load, as they serve the same content to all users without requiring dynamic processing.
Ques:- Hi Friends, I am new to java, please provide some use full docs, and where can i get basic Java script docs… thanx in advance
Comments
Admin May 17, 2020

Dear Friend,
Pls go thru www.w3schools.com, I guess it is much helpful to
you.
All The Best.

Admin May 17, 2020

Hey Surendra;
Go through the following sites, If you read all through out
then you will get perfection in Javascript.
1. w3schools.com
2. brainjar.com
--
Cheers
Vikram

Ques:- java pgme for class members hours:minutes:seconds then the constructor expects milliseconds as assignment and initialize data members the members function print hh:mm:ss 90,000 milliseconds passed in constructor then the output is 00:01:30
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