<script language="javascript">
function readTxt()
{
alert(window.clipboardData.getData("text"));
}
function setTxt()
{
var t=document.getElementById("txt");
t.select();
window.clipboardData.setData('text',t.createTextRange().text);
}
</script>
<input name="txt" value="測(cè)試">
<input type="button" value="復(fù)制" onclick="setTxt()">
<input type="button" value="讀取" onclick="readTxt()">