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HTML Block and Inline Elements

HTML elements can be categorized into two main types: block-level elements and inline elements. These two types of elements behave differently in terms of how they are displayed on a web page and how they interact with surrounding content.

  1. Block-level Elements: Block-level elements create a "block" on a web page, which means they start on a new line and take up the full width available. They usually represent structural sections of the page, such as headings, paragraphs, lists, or divisions. Here are some examples of block-level elements:
  • `<h1>` to `<h6>`: Headings
  • `<p>`: Paragraph
  • `<div>`: Division
  • `<ul>`: Unordered List
  • `<ol>`: Ordered List
  • `<li>`: List Item
  • `<blockquote>`: Blockquote
  • `<pre>`: Preformatted Text
Example:
<h1>This is a block-level heading</h1>
<p>This is a block-level paragraph.</p>
<div>
  <p>This is a block-level division containing a paragraph.</p>
</div>
  1. Inline Elements: Inline elements, on the other hand, do not start on a new line and only take up as much width as necessary. They are usually used for styling text within block-level elements or for inserting small elements within the content flow. Here are some examples of inline elements:
  • `<a>`: Anchor (hyperlink)
  • `<span>`: Span
  • `<img>`: Image
  • `<strong>`: Bold Text
  • `<em>`: Italic Text
  • `<sub>`: Subscript Text
  • `<sup>`: Superscript Text
  • `<br>`: Line Break
Example:
<p>
  This is a paragraph containing 
  <strong>bold text</strong>, 
  <em>italic text</em>, 
  and a <a href="https://www.example.com">link</a>.
</p>

It is important to understand the difference between block-level and inline elements to create well-structured and visually appealing web pages. While block-level elements are used to define the structure and layout, inline elements are used to style the content within those blocks.

In modern web development, you can also control the display behavior of elements using CSS properties like `display: block`, `display: inline`, or `display: inline-block`. These properties allow you to manipulate how elements are rendered on the page, giving you even greater control over the layout and design.

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