复制文本框的数据到剪贴板JS

1. <scriptlanguage="javascript"type="text/javascript">
2. //<!CDATA[
5. functioncopy_clip(copy){
6. if(window.clipboardData){
7. window.clipboardData.setData("Text",copy);}
8. elseif(window.netscape){
9. netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
10. varclip=Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard);
11. if(!clip)return;
12. vartrans=Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable);
13. if(!trans)return;
14. trans.addDataFlavor('text/unicode');
15. varstr=newObject();
16. varlen=newObject();
17. varstr=Components.classes["@mozilla.org/supports-string;1"].createInstance(Components.interfaces.nsISupportsString);
18. varcopytext=copy;
19. str.data=copytext;
20. trans.setTransferData("text/unicode",str,copytext.length*2);
21. varclipid=Components.interfaces.nsIClipboard;
22. if(!clip)returnfalse;
23. clip.setData(trans,null,clipid.kGlobalClipboard);}
24. alert("已复制"+copy)
25. returnfalse;
26. }
28. //]]>
29. </script>

做一按钮调用

<input id="Button1" type="button" value="复制" onclick ="copy_clip(document.getElementById('txtbox_item').value)"/>