CLASS 8 | CHAPTER 9 | IMAGES, LINKS AND FRAMES IN HTML 5 | CYBER TOOLS | KIPS

Summary

In this lesson, students learn about incorporating images, links, and frames in HTML5, building on previous knowledge of lists and tables. The chapter covers how to insert inline and external images, with examples and attributes like src, height, width, and alt. The use of hyperlinks, internal and external linking, and the anchor tag are explained. Additionally, the lesson explores using CSS to style links and buttons, and embedding multimedia elements like audio and video. Finally, frames are introduced as a way to organize web content by displaying multiple HTML documents within one browser window.

Takeaways

• 🖼️ HTML5 allows the use of images, links, and frames to enhance web pages, making them more informative and appealing.
• 🌐 Web browsers support various image formats, with GIF, PNG, and JPEG being the most widely used.
• 📷 Images can be displayed inline within text or as external images referenced by a link and viewed separately.
• 🔗 The 'img' tag is used for inline images, while the 'a' (anchor) tag is used for external images and establishing hyperlinks.
• 📐 Attributes such as 'src', 'height', and 'width' are essential for the 'img' tag to specify the image source and size.
• 🔄 The 'alt' attribute provides a text alternative for images, aiding accessibility for text-based browsers or visually impaired users.
• 🔗 Hyperlinks, created with the 'a' tag, can be internal (within the same page) or external (to other pages or websites).
• 🎨 CSS can style hyperlinks differently based on their state (normal, visited, hover, active), enhancing user interaction.
• 📹 Multimedia elements like audio and video can be embedded in web pages using the 'audio' and 'video' tags, respectively.
• 🖥️ Frames, implemented with the 'iframe' tag, enable the display of multiple HTML documents within a single browser window, improving site organization and navigation.
• 🛠️ CSS properties like 'float', 'vertical-align', and 'border' can be applied to images and frames for layout and aesthetic purposes.

Q & A

What are the three widely used graphic formats supported by web browsers mentioned in the script?

The three widely used graphic formats supported by web browsers are GIF, PNG, and JPEG.

What is the difference between an inline image and an external image in HTML?

An inline image is displayed when the web page is opened and is inserted within a line of text. An external image, on the other hand, is not displayed automatically with other content on the web page and is viewed separately by clicking on a link.

How is an inline image inserted into an HTML page?

An inline image is inserted into an HTML page using the 'img' tag, which requires different attributes such as 'src' to specify the image source.

What attribute is used to define the source of an image in an HTML page?

The 'src' attribute is used to define the source of an image in an HTML page.

How can the height and width of an image be specified in HTML?

The height and width of an image can be specified using the 'height' and 'width' attributes within the 'img' tag.

What is the purpose of the 'alt' attribute in an image tag?

The 'alt' attribute provides a description of the image content and is used when the image cannot be displayed, such as in text-based browsers or for visually impaired users who rely on screen readers.

What is the purpose of the 'anchor' tag ('a') in HTML?

The 'anchor' tag is used to create hyperlinks, marking the text or images that users can click to navigate to another page or section.

What are the different types of linking mentioned in the script?

The different types of linking mentioned are internal linking (linking within the same page) and external linking (linking to another page or website).

How can CSS be used to style links in HTML?

CSS can be used to style links by applying different properties and colors to the various link states such as 'a:link', 'a:visited', 'a:hover', and 'a:active'.

What is an 'iframe' and how is it used in HTML?

An 'iframe' is an inline frame that allows embedding another HTML document within the current document. It is used with the 'iframe' tag and can be customized with attributes like 'src', 'height', and 'width'.

How can multimedia content like audio and video be added to a web page?

Multimedia content such as audio and video can be added to a web page using the 'audio' and 'video' tags in HTML5, which support various file formats like MP3, OGG, MP4, WEBM, and OGG.