<html>
<SCRIPT>
function copyCode(o){
o.select();
var js=o.createTextRange();
js.execCommand("Copy");
alert("復制成功了!快試一下!");
}
</SCRIPT>
<body>
content : <input ondblclick='copyCode(this)' value=" hello ! lk!"/><br><br><br>
test result :<input/>
</body>
</html>