?3. [代码][JavaScript]代码
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<title> New Document </title>
<meta name="Generator" content="EditPlus">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
<script type="text/javascript" src="jquery-1.4.4.js"></script>
<script type="text/javascript">
var addMore = function()
{
var div = document.getElementById("div1");
var br = document.createElement("br");
var input = document.createElement("input");
var button = document.createElement("input");
input.setAttribute("type", "file");
button.setAttribute("type", "button");
button.setAttribute("value", "Remove");
button.onclick = function()
{
div.removeChild(br);
div.removeChild(input);
div.removeChild(button);
}
div.appendChild(br);
div.appendChild(input);
div.appendChild(button);
}
/*//jquery，同上等价的实现
var count = 0;
$(function()
{
$("input[type=button]").click(function()
{http://www.huiyi8.com/bgm/?
var br = $("<br>");
背景音乐 var input = $("<input type=‘file‘>");
var button = $("<input type=‘button‘ value=‘Remove" + (++count) + " ‘>");
$("#div1").append(br).append(input).append(button);
button.click(function()
{
br.remove();
input.remove();
button.remove();
});
});
});
*/
</script>
</head>
<body>
<input type="file"> <input type="button" onclick="addMore()" value="more...">
<div id="div1"></div>
</body>
</html>
