点击按钮复制文本框(Div)值（已测试 支持IE但不支持火狐）

<script type="text/javascript">

function copy_clip(copy){

if (window.clipboardData){

window.clipboardData.setData("Text", copy);}

else if (window.netscape){

netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');

var clip = Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard);

if (!clip) return;

var trans = Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable);

if (!trans) return;

trans.addDataFlavor('text/unicode');

var str = new Object();

var len = new Object();

var str = Components.classes["@mozilla.org/supports-string;1"].createInstance(Components.interfaces.nsISupportsString);

var copytext=copy;

str.data=copytext;

trans.setTransferData("text/unicode",str,copytext.length*2);

var clipid=Components.interfaces.nsIClipboard;

if (!clip) return false;

clip.setData(trans,null,clipid.kGlobalClipboard);}

alert("Copy Success"+copy)

return false;

}

</script>

<input type="text" id="ff" value="Test Date" /><button onclick="copy_clip(document.getElementById('ff').value)">Copy</button>







<div id="test">tretgretetetetete</div>DIV外的内容<input type=button value="

复制" onclick="copyf();">

<script>

function copyf(){

var obj=document.getElementById("test")

var rng = document.body.createTextRange();

rng.moveToElementText(obj);

rng.select();

rng.execCommand("Copy");

rng.collapse(false);

}

</script>