<div id="container">

<input type="text" id="test"><button id="add">添加</button>

</div>

<div><p>tetse</p></div>

<script type="text/javascript">

var add = document.getElementById('add');

var container =document.getElementById('container');

var node=container.nextSibling;

add.onclick = function(){

oDiv = document.createElement('div');

oDiv.innerHTML = "<div id='container1'><input type='text' id='test'><input type='button' οnclick='test(this)' value='减少'/></div>";

container.parentNode.insertBefore(oDiv, node)

node=oDiv.nextSibling;

}

function test(test){

test.parentNode.parentNode.removeChild(test.parentNode);

}

</script>

</body>