HTML Class - Fall 2002
HTML Images
With HTML you can display images in a document.
The Image Tag and the Src Attribute
In HTML, images are defined with the <img> tag.
The <img> tag is empty, which means that it contains attributes only and it has no closing tag.
To display an image on a page, you need to use the src attribute. Src stands
for "source". The value of the src attribute is the URL of the image you want to display on your page.
The syntax of defining an image:
The URL points to the location where the image is stored. An image named
"flying_envelope.gif" located in the directory "/bace/html/examples/" on "www.jeremiahfletcher.com.com" has the URL:
http://www.jeremiahfletcher.com/bace/html/examples/flying_envelope.gif.
The browser puts the image where the image tag occurs in the document. If you
put an image tag between two paragraphs, the browser shows the first paragraph,
then the image, and then the second paragraph.
The Alt Attribute
The alt attribute is used to define an "alternate text" for an image. The value of the alt attribute is an author-defined text:
<img src="flying_envelope.gif" alt="Email Me!"> |
The "alt" attribute tells the reader what he or she is missing on a page if
the browser can't load images. The browser will then display the alternate text
instead of the image. It is a good practice to include the "alt" attribute for
each image on a page, to improve the display and usefulness of your document for
people who have text-only browsers.
Basic Notes - Useful Tips
If an HTML file contains ten images - eleven files are required to display
the page right. Loading images take time, so my best advice is: Use images
carefully.
Image Tags
Tag |
Description |
<img> |
Defines an image |
<map> |
Defines an image map |
<area> |
Defines an area inside an image map |
|