Lecture

<img> Tag

The <img> tag is used to insert images into web pages.


Key Attributes

The key attributes of the <img> tag are src, alt, width, and height.


src

The src attribute specifies the URL of the image. It is a required attribute. The URL can point to an image within the same website or an image hosted on an external website. Without this attribute, the <img> tag will not display an image.

```html title="The src Attribute in the <img> Tag"

<br /> ## `alt` The `alt` attribute provides alternative text for the image. It is used as a fallback when the image fails to load or to describe the image for screen readers, improving web accessibility. While not mandatory, it is essential for SEO (Search Engine Optimization) and accessibility enhancement. ```html title="Setting Alternative Text" <img src="https://picsum.photos/300" alt="A sunset view of the ocean" />

width and height

These attributes define the width and height of the image. The default unit is pixels (px).

Setting Image Dimensions
<img src="https://picsum.photos/300" width="300" height="200" />

Usage Examples

  1. Using src and alt

```html title="Basic Usage of the <img> Tag" Profile picture

<br /> 2. Specifying Image Dimensions with `width` and `height` ```html title="Setting Image Dimensions" <img src="https://picsum.photos/300" alt="Random image" width="200" height="150" />

Summary of the <img> Tag

  • Use the <img> tag to embed images into web pages.

  • The src attribute specifies the URL of the image.

  • The alt attribute provides a description or alternative text when the image is unavailable.

  • Use the width and height attributes to adjust the image size.

Mission
0 / 1

The src attribute in the HTML <img> tag is optional.

True
False

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