Note:
Read and write property.
Sets the the element clickable region coordinates.
Syntax:
document.getElementById("elementID").coords = value
document.all.elementID.coords = value // IE only
Values depend on the shape attribute's value:
shape = circ or circle x, y (coordinates of the center), r (radius).
shape = rect or rectangle x1, y1 (coordinates of the upper-left corner),
x2, y2 (coordinates of the lower-right corner).
shape = poly or polygon x1, y1, x2, y2, x3, y3, . . .
pairs of coordinates for each vertex of the polygon.
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