Introduction

An image-map is an image with clickable areas. The <map> tag is supported in all major browsers. An image map is one image with multiple "clickable" areas. Attributes consist of a name and a value separated by an equals (=) sign, with the value surrounded by double-quotes. This attribute is associated with the <img>'s usemap attribute and creates a relationship between the image and the map.
Image
First of all, you need a suitable graphic. An image that cannot be divided into different sections is not your best choice, but an image that has clear cut-offs or lines would be better. Of course, this does not apply to navigational menus or similar, just to everyday pictures like animals, objects or people.
Co-ordinates
You'll need different co-ordinates depending on what sort of "hot spot" you'd like to use.
Hot Spot
 Now that you've got your image and co-ordinates. There are three different shapes (commonly termed "hot spots") that can be used in image maps. They are as follows:
-RECT
-CIRCLE
-POLYGON

Attributes

HTML tags can contain one or more attributes. Attributes are added to a tag to provide the browser with more information about how the tag should appear or behave.
Attributes consist of a name and a value separated by an equals (=) sign, with the value surrounded by double-quotes.
There are 3 kinds of attributes that you can add to your HTML tags: Element-specific, global, and event handler content attributes.

Element-Specific Attributes

The following table shows the attributes that are specific to this tag/element.
Attributes Introduced by HTML5
Attributes Description
name Assigns a name to the image map.

Global Attributes

The following attributes are standard across all HTML 5 tags.
HTML5 Global Attributes
accesskey draggable style
class hidden tabindex
dir spellcheck
contenteditable id title
contextmenu lang

Event Handler Content Attributes

Here are the standard HTML 5 event handler content attributes.
onabort onerror* onmousewheel
onblur* onfocus* onpause
oncanplay onformchange onplay
oncanplaythrough onforminput onplaying
onchange oninput onprogress
onclick oninvalid onratechange
oncontextmenu onkeydown onreadystatechange
ondblclick onkeypress onscroll
ondrag onkeyup onseeked
ondragend onload* onseeking
ondragenter onloadeddata onselect
ondragleave onloadedmetadata onshow
ondragover onloadstart onstalled
ondragstart onmousedown onsubmit
ondrop onmousemove onsuspend
ondurationchange onmouseout ontimeupdate
onemptied onmouseover onvolumechange
onended onmouseup onwaiting

<area> Tag

The HTML <area> tag is used for defining an area in an image map. Image maps are images with clickable areas (sometimes referred to as "hotspots") that usually link to another page.
alt - Alternate text. This specifies text to be used in case the browser/user agent can't render the image.
coords - Specifies the coordinates of the clickable area. Coordinates are specified as follows:
rect: left, top, right, bottom
circle: center-x, center-y, radius
poly: x1, y1, x2, y2, ...
shape - Defines a shape for the clickable area. Possible values:default
rect
circle
poly
href - Specifies the URL of a page or the name of the anchor that the link goes to.
target - Specifies the target frame to load the page into.
For example
  1. <!DOCTYPE html>
  2. <html>
  3. <head>
  4. <title>Image Map</title>
  5. </head>
  6. <body>
  7. <img src ="image1.gif"
  8. width="225" height="151" border="0"
  9. alt="Mueller Hut, Mount Cook, and I"
  10. usemap ="#muellermap" />
  11. <map id ="muellermap"
  12. name="muellermap">
  13. <area shape ="rect" coords ="90,80,120,151"
  14. href ="http://c-sharpcorner.com;"
  15. alt="Me" />
  16. <area shape ="poly" coords ="55,55,120,80,90,80,90,100,70,100,20,80,55,55"
  17. href ="http://vbdotnetheaven.com" target="_blank"
  18. alt="Mount Cook" />
  19. <area shape ="poly" coords ="145,80,145,100,215,90,215,80,180,60,145,80"
  20. href ="http://dbtalks.com" target="_blank"
  21. alt="Mueller Hut" />
  22. </map>
  23. </body>
  24. </html>
Internet Explorer
map1.gif
Figure1
Now move the mouse over the image and click on a different area of the image. Now click on the men area.
map2.gif
Figure2
FireFox
map3.gif
Figure3