HTML <a> coords attribute
Examples
The following example uses the shape and coords attributes <a> elements to create an image map:
<object data="planets.gif" alt="Planets" type="image/gif" usemap="#Map1">
<map name="Map1">
<a href="sun.htm" shape="rect" coords="0,0,82,126">太阳</a>
<a href="mercur.htm"shape="circle" coords="90,58,3">水星</a>
<a href="venus.htm" shape="circle" coords="124,58,8">金星</a>
</map>
</object>
<map name="Map1">
<a href="sun.htm" shape="rect" coords="0,0,82,126">太阳</a>
<a href="mercur.htm"shape="circle" coords="90,58,3">水星</a>
<a href="venus.htm" shape="circle" coords="124,58,8">金星</a>
</map>
</object>
try it"
Browser Support
At present, only Firefox and Opera browsers support coords attributes.
Definition and Usage
HTML5 is no longer supported coords attribute <a> tag.
coords attribute usually associated with shape together using the property, two attributes can be specified <object> or <img> element links the size, shape and location.
The coordinates of the upper left corner is 0,0.
Tip: To create an image map that can run in all browsers, use the <area> element.
grammar
<a coords="value">
Property Value
| value | description |
|---|---|
| x1, y1, x2, y2 | If the shape attribute is set to "rect", then the value of the upper left corner of the rectangle specified coordinates and the lower right corner. |
| x, y, radius | If the shape attribute is set to "circ", the predetermined value of the center coordinates and radius. |
| x1, y1, x2, y2,.., xn, yn | If the shape attribute is set to "poly", then the value of the specified coordinates of each polygon edges. If the first and last coordinate coordinates do not match, in order to close the polygon, the browser must add the last pair of coordinates. |