December 12, 2000 - Moving Objects Vertically
December 12, 2000 Moving Objects Vertically Tips: December 2000
Yehuda Shiran, Ph.D.
|
top
.
Netscape Navigator uses the top
property of an element, while Internet Explorer uses the pixelTop
property of the style
object property. Netscape 6 uses the W3C Standard's top
property of the style
object property. Since Internet Explorer 5+ supports this property as well, we
can use the following browser-independent code to move objects vertically:
<FORM>
<INPUT ID="counter1" STYLE="position:relative; top:'0px'" TYPE="button" VALUE="Move Button"
onclick="document.getElementById('counter1').style.top = '15px';">
</FORM>
That renders like this:
Click the button and see it move down by 15 pixels. Notice that the measurement (15) is specified with its units of measure (pixels). If you try to drop the
px
, you will get the same behavior. Here is the HTML above without px
:
<FORM>
<INPUT ID="counter2" STYLE="position:relative; top:0" TYPE="button" VALUE="Move Button"
onclick="document.getElementById('counter2').style.top = 15;">
</FORM>
And you can play with it as well: