<SCRIPT language="javascript">
function test(obj)
{
var range = obj.createTextRange();
alert("内容区宽度: " + range.boundingWidth
+ "px\r\n内容区高度: " + range.boundingHeight + "px");
}
</SCRIPT>
<BODY>
<Textarea id="txt" height="150">sdf</textarea><INPUT type="button" value="计算内容宽度" onClick="test(txt)">
</BODY>
function test(obj)
{
var range = obj.createTextRange();
alert("内容区宽度: " + range.boundingWidth
+ "px\r\n内容区高度: " + range.boundingHeight + "px");
}
</SCRIPT>
<BODY>
<Textarea id="txt" height="150">sdf</textarea><INPUT type="button" value="计算内容宽度" onClick="test(txt)">
</BODY>
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