jquery实现repeat，增加删除一行

$(document).ready(function(){

$("#addrow").click(function(){  

var div = $("#root:first").clone();

$(".mt-repeater").append(div);

});

});

function delrow(obj) {  

var parent_id = $(obj).parent().parent();

var count = $(".mt-repeater").find($(".mt-overflow")).length;

if (count<2) {

return false;

} 

$(parent_id).remove();   

}

<div class="form-group col-md-4 mt-repeater">

<div class="mt-repeater-item mt-overflow" id="root">

<div class="mt-repeater-cell">

<input type="text" placeholder="<?=lang('输入域名')?>" class="form-control mt-repeater-input-inline" name="domain[]" />

<a class="btn btn-danger mt-repeater-delete mt-repeater-del-right mt-repeater-btn-inline" id="delrow" onclick="delrow(this);">

<i class="fa fa-close"></i>

</a>

</div>

</div>

</div>

<a class="btn btn-success" id="addrow">

<i class="fa fa-plus"></i> <?=lang('新增一条')?></a>