boundingTop参数属性

DHTML文档教程

Retrieves the distance between the top edge of the rectangle that bounds the textrange object and the top side of the object that contains the textrange.

dhtml语法

[ itop = ] textrange.boundingtop

dhtml可能的值

iTop Integer that receives the top coordinate of the bounding rectangle, in pixels.
The property is read-only. The property has no default value.

DHTML代码范例

This example retrieves the value of the boundingTop property for the given text area.
<SCRIPT>
function boundDim(oObject)
{
var collTextarea = document.all.tags("TEXTAREA");
if (collTextarea != null) {
var oTextRange = oObject.createTextRange();
if (oTextRange != null) {
alert("The bounding top is \n" +
oTextRange.boundingTop);
}
}
}
</SCRIPT>
</HEAD>
<BODY>
<TEXTAREA COLS=100 ROWS=2 ID=oTextarea
onclick="boundDim(this)"> . . . </TEXTAREA>
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是否符合公共标准

There is no public standard that applies to this property.

Applies To

TextRange

更多语法参考

boundingheight, boundingleft, boundingWidth