<input type="button" value="移动d2" onclick="divMoveBy(d2,10,10)"><br>
<input type="button" value="移动d3到d2(0,0)" onclick="divMoveTo(d3,0,0)"><br>
<input type="button" value="移动d3到d2(75,75)" onclick="divMoveTo(d3,75,75)"><br>
</p>
<p>
<input type="button" value="放大d1" onclick="divSizeBy(d1,15,15)"><br>
<input type="button" value="缩小d1" onclick="divSizeBy(d1,-15,-15)"><br>
</p>
<p>
<input type="button" value="隐藏d2" onclick="divHide(d2)"><br>
<input type="button" value="显示d2" onclick="divShow(d2)"><br>
</p>
<p>
<input type="button" value="优先显示d1" onclick="divZIndex(d1,2);divZIndex(d2,1)"><br>
<input type="button" value="优先显示d2" onclick="divZIndex(d1,1);divZIndex(d2,2)"><br>
</p>
<p>
<input type="button" value="填充颜色" onclick="color()"><br>
</p>
<p>
<input type="button" value="返回默认状态" onclick="back()"><br>
</p>
</form>
<div id="d1">
<b>d1</b>
</div>
<div id="d2">
<b>d2</b><br><br>
d2包含d3
<div id="d3">
<b>d3</b><br><br>
d3是d2的子层
</div>
</div>
</body>
</html>
