Element-specific attributes (alt for images, href for links)
Veröffentlicht 2024-08-15 01:47:04
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While global attributes can be applied to any HTML element, some attributes are specific to certain elements. Let's look at two common examples:
alt attribute for images (<img>)
- Purpose: Provides alternative text for an image. This text is displayed if the image cannot be loaded, or for users who are visually impaired and use screen readers.
- Usage:
HTML
<img src="image.jpg" alt="A beautiful landscape">
- Key points:
- Essential for accessibility.
- Should accurately describe the image content.
- Can be left empty for purely decorative images.
href attribute for links (<a>)
- Purpose: Specifies the URL of the linked resource.
- Usage:
HTML
<a href="https://www.example.com">Visit Example.com</a>
- Key points:
- Can link to internal pages, external websites, or email addresses.
- Other attributes like
target
can be used to control how the link opens (e.g.,_blank
for a new tab).
Example
HTML
<p>Here's an image of a cat:</p>
<img src="cat.jpg" alt="A cute cat">
<p>Click here to visit our website:</p>
<a href="https://ourwebsite.com">Visit Us</a>
Important considerations:
- Always provide meaningful alt text for images.
- Use clear and descriptive link text.
- Validate links to ensure they work correctly.
By using these element-specific attributes effectively, you can create more accessible and informative web pages.
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