範例

/**************************************************
http://www.krikkit.net/howto_javascript_copy_clipboard.html
**************************************************/
function setClipboard(maintext) {
   if (window.clipboardData) {
      return (window.clipboardData.setData("Text", maintext));
   }
   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=maintext;
      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);
      return true;
   }
   return false;
}

/**************************************************
http://www.codebase.nl/index.php/command/viewcode/id/174
**************************************************/
function getClipboard() {
   if (window.clipboardData) {
      return(window.clipboardData.getData('Text'));
   }
   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');
      clip.getData(trans,clip.kGlobalClipboard);
      var str = new Object();
      var len = new Object();
      try {
         trans.getTransferData('text/unicode',str,len);
      }
      catch(error) {
         return null;
      }
      if (str) {
         if (Components.interfaces.nsISupportsWString) str=str.value.QueryInterface(Components.interfaces.nsISupportsWString);
         else if (Components.interfaces.nsISupportsString) str=str.value.QueryInterface(Components.interfaces.nsISupportsString);
         else str = null;
      }
      if (str) {
         return(str.data.substring(0,len.value / 2));
      }
   }
   return null;
}

<SCRIPT LANGUAGE="JavaScript" type="text/javascript">
<!--
function copy(inElement) {
  if (inElement.createTextRange) {
    var range = inElement.createTextRange();
    if (range && BodyLoaded==1)
      range.execCommand('Copy');
  } else {
    var flashcopier = 'flashcopier';
    if(!document.getElementById(flashcopier)) {
      var divholder = document.createElement('div');
      divholder.id = flashcopier;
      document.body.appendChild(divholder);
    }
    document.getElementById(flashcopier).innerHTML = '';
    var divinfo = '<embed src="_clipboard.swf" FlashVars="clipboard='+encodeURIComponent(inElement.value)+'" width="0" height="0" type="application/x-shockwave-flash"></embed>';
    document.getElementById(flashcopier).innerHTML = divinfo;
  }
}
-->
</SCRIPT>
<form name="formtocopy">
<textarea name="texttocopy">
A whole bunch of text here that will be copied.
</textarea>
<br>
<a href="javascript:copy(document.formtocopy.texttocopy);">Copy the Text!</a>
</form>

<SCRIPT LANGUAGE="JavaScript" type="text/javascript">
function copy(inElement) {
  inElement = document.getElementById(inElement);
  var rangeText = (inElement.innerText) ? inElement.innerText : inElement.textContent;
  var flashcopier = 'flashcopier';
  if(!document.getElementById(flashcopier)) {
    var divholder = document.createElement('div');
    divholder.id = flashcopier;
    document.body.appendChild(divholder);
  }
  document.getElementById(flashcopier).innerHTML = '';
  var divinfo = '<embed src="_clipboard.swf" FlashVars="clipboard='+encodeURIComponent(rangeText)+'" width="0" height="0" type="application/x-shockwave-flash"></embed>';
  document.getElementById(flashcopier).innerHTML = divinfo;
}
</SCRIPT>
<div id="texttocopy" style="width:300px;height:200px;border:1px solid black;">
A whole bunch of text here that will be copied.
</div>
<a href="javascript:copy('texttocopy');">Copy the Text!</a>

<a href="###" class="smalltxt" onclick="copy($(this.parentNode.parentNode.nextSibling.id));">[Copy to clipboard]</a>

<a href="javascript:copy('code0');">FireFox點我複製文字</a>

<DIV class=msgborder id=texttocopy style="BORDER: black 1px solid;">
    <DIV class="msgheader right">
        <A class=smalltxt onclick="copy(this.parentNode.nextSibling.nextSibling.nextSibling.nextSibling.id);" href="###">
            [Copy to clipboard for FX]
        </A>
    </DIV>
    <BR><BR>
    <DIV class=msgheader>
        <DIV class=right>
            <A class=smalltxt onclick="copycode($('code0'));" href="###">
                [Copy to clipboard for IE]
            </A>
        </DIV>
        CODE:
    </DIV>
    <DIV class=msgborder id=code0>
        [size=6]1234[/size]<BR>1234<BR>[size=7]1234[/size]<BR>[align=right]1234[/align]<BR>[align=center]1234[/align]<BR>[color=Red]1234[/color]<BR>[align=center][b][i][u][size=7][color=LemonChiffon]1234[/color][/size][/u][/i][/b][/align]<BR>1234
    </DIV>
    <BR>
</DIV>
<A href="javascript:copy('code0');">FireFox複製文字點我</A>