createTextRange()是什么意思，谁能给出它的一些用法，最好全点

[kasoo]

在网上搜了，没有搜到!

[jiayuanliao]

在MSDN上搜

[三仙半]

我在MS word的VBA帮助中看到过这方面的内容，但没研究，你也可以去那里找，但装MS word时要选择VBA 帮助才行

[Apq001]

MSDN这么写的：
Creates a TextRange object for the element.

Syntax

oTextRange = object.createTextRange()
Return Value

Returns a TextRange object if successful, or null otherwise.

Remarks

Use a text range to examine and modify the text within an object.

Examples

This example uses the createTextRange method to create a text range for the document, and then uses the text range to display all the text and HTML tags in the document.

<SCRIPT LANGUAGE="JScript">
var rng = document.body.createTextRange( );
if (rng!=null) {
alert(rng.htmlText);
}
</SCRIPT>
This example uses the createTextRange method to create a text range for the first button element in the document, and then uses the text range to change the text in the button.

<SCRIPT LANGUAGE="JScript">
var coll = document.all.tags("BUTTON");
if (coll!=null && coll.length>0) {
var rng = coll[0].createTextRange();
rng.text = "Clicked";
}
</SCRIPT>