https://github.com/har8899/html

Html Basics to Advance
https://github.com/har8899/html

anchor html imagetag listtag nesting selfclosingtags

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Html Basics to Advance

• Host: GitHub
• URL: https://github.com/har8899/html
• Owner: Har8899
• Created: 2023-04-01T14:34:44.000Z (over 1 year ago)
• Default Branch: main
• Last Pushed: 2024-09-08T15:09:25.000Z (4 months ago)
• Last Synced: 2024-09-08T17:12:03.563Z (4 months ago)
• Topics: anchor, html, imagetag, listtag, nesting, selfclosingtags
• Language: HTML
• Homepage:
• Size: 1.92 MB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# Html

-  What does HTML stand for?

  

HTML stands for HyperText Markup Language. It is the standard language used to create and design web pages. "HyperText" refers to the hyperlinks that connect web pages, while "Markup Language" refers to the way tags are used to define page structure.

-  What is the purpose of the `` tag in an HTML document?

The `` tag is the root element of an HTML document. It encloses all other HTML elements like `` and ``, indicating to the browser that the content inside should be interpreted as HTML.

-  What is the difference between block-level and inline elements in HTML?

  

Block-level elements (like `
`, `
`, `

`) start on a new line and take up the full width available. Inline elements (like ``, ``, ``) do not start on a new line and only take up as much width as needed.


-  What is the purpose of the `` tag?

  

The `` tag contains meta-information about the HTML document, such as the title, character set, stylesheets, scripts, and other metadata. It does not display content on the web page.

-  What are the attributes of the `` tag, and how are they used?

  

The `` tag is used to embed images. Common attributes include src (source of the image), alt (alternative text for accessibility), width, height, and title.

-  How do you create a hyperlink in HTML?

  

Use the `` (anchor) tag with the href attribute. For example: `Click Here` creates a clickable link that directs to "https://www.example.com".

-  What is the purpose of the`` tag?

  

`` tags provide metadata about the HTML document, like its character set, viewport settings for responsive design, description, and keywords for search engines.

-  How do you create a list in HTML?

  

Use `
` for an unordered list (bullet points) and `
` for an ordered list (numbered). Inside, use `
` to define each list item.


-  What is the difference between `
` and `
` tags?

  

`
` creates an unordered list with bullet points, while `
` creates an ordered list with numbers or letters.


-  What does the `` tag do, and where should it be placed?

  

The `` tag sets the title of the web page, shown on the browser tab and in search engine results. It should be placed within the `` section.

-  What is the use of the alt attribute in the `` tag?

  

The alt attribute provides alternative text for an image if it cannot be displayed. It is crucial for accessibility and SEO, describing the image content to screen readers and search engines.

-  How do you create a table in HTML?

Use the `` tag, with `` for table rows, `` for table data cells, and `` for header cells. Tables can be further styled with CSS.

-  What is the purpose of the id and class attributes in HTML?

  

id uniquely identifies an element and must be unique within a page. class groups elements together for CSS styling or JavaScript manipulation. Multiple elements can share the same class.

-  How do you include comments in HTML code?

  

Comments in HTML are added using ``. They are not displayed on the web page but are useful for developers to add notes.

-  What is the difference between `
` and `` tags?

  

`
` is a block-level element used to group larger chunks of content, while `` is an inline element used for smaller pieces of text or inline styling.


## Intermediate HTML Questions

-  How do you create a form in HTML, and what are the key form elements?

  

Forms are created using the `` tag. Key elements include `` (various types like text, radio, checkbox), ``, ``, ``, and ``.

-  What is the purpose of the `` tag in the `` section?

  

The `` tag links external resources like stylesheets or icons to the HTML document. Commonly, it is used for linking CSS files.

-  How do you use the `` tag in HTML?

  

The `` tag is used to embed another HTML page or content from another website within the current page. It requires a src attribute pointing to the URL of the content to embed.

-  What is the purpose of the target attribute in an anchor (``) tag?

  

The target attribute specifies where to open the linked document. _blank opens the link in a new tab or window, _self opens in the same frame, etc.


-  What are semantic HTML elements, and why are they important?

  

Semantic elements clearly describe their meaning, like ``, ``, ``, ``, and ``. They improve accessibility, SEO, and code readability.

-  How can you create an image map in HTML?

  

Use the `` tag with  elements to define clickable regions on an image. Associate the map with an image using the usemap attribute.

-  What are the data-* attributes in HTML, and how are they used?

  

data-* attributes are custom attributes that store extra information on HTML elements. They are used to store data that can be accessed via JavaScript.

-  How can you use HTML to create an accessible web page?

  

Use semantic elements, provide alt text for images, use aria attributes for assistive technologies, ensure color contrast, and structure content logically.

-  What is the purpose of the `` tag?

  

The `` tag provides content for users who do not have JavaScript enabled or whose browsers do not support JavaScript.

-  How do you specify a language in an HTML document?

  

Use the lang attribute in the `` tag to specify the language of the content, e.g., `` for English.

## Advanced HTML Questions

-  What are the new HTML5 elements, and what purpose do they serve?

  

HTML5 introduced semantic elements like ``, ``, ``, ``, and ``, which provide meaningful structure to a webpage and improve accessibility.

-  How do you create a responsive design using HTML5?

  

Use the `` tag in the  and apply CSS media queries for different screen sizes.

-  What is the difference between localStorage and sessionStorage in HTML5?

  

localStorage stores data with no expiration time, while sessionStorage stores data for the duration of the page session. Both store data in the browser.

-  How does the contenteditable attribute work in HTML5?

  

The contenteditable attribute makes an element editable by the user. Set contenteditable="true" to allow users to modify the content within that element.

-  What is the datalist element, and how is it used?

  

The `` element provides an auto-complete dropdown list of predefined options for an  element. It enhances form usability.

-  How do you implement drag-and-drop functionality using HTML5?

  

Use the draggable attribute on an element, set to true. Use JavaScript event handlers like ondragstart, ondrop, and ondragover to control drag-and-drop behavior.

-  What is the role of the picture element in responsive design?

  

The `` element allows you to define multiple sources for an image to serve different images based on screen size, resolution, or format, improving responsiveness.

-  What is the `` element, and how is it used?

  

The `` element holds HTML that is not to be rendered when the page loads. It's used as a placeholder for client-side content that can be cloned or inserted using JavaScript.

-  How does the `` element work, and where is it applicable?

  

The `` element represents the completion progress of a task, typically a progress bar. It can show indeterminate or determinate progress.

-  What are microdata and schema.org, and how do they relate to HTML?

  

Microdata and schema.org provide a way to embed structured data into HTML, improving search engines' ability to understand and display content with rich snippets.

-  How do you embed audio and video in HTML5?

  

Use the `` and `` elements, along with src attributes and supported file formats, to embed multimedia content directly into a web page.

-  What are the differences between the defer and async attributes in the `` tag?

  

defer loads the script after the HTML document has been parsed, while async loads the script asynchronously, potentially before the document is fully parsed.

-  How can you optimize HTML for performance?

Minimize HTTP requests, use minified CSS/JS files, utilize caching, defer non-critical resources, compress images, and use responsive design techniques.

-  What is the purpose of the autofocus attribute in form elements?

  

The autofocus attribute automatically focuses on a form element, like an input field, when a page loads, enhancing user experience.

-  What is the <shadow> DOM, and how does it relate to HTML and web components?

  

The Shadow DOM is part of the Web Components standard, allowing encapsulation of HTML, CSS, and JavaScript. It enables developers to create isolated and reusable components.