$(".layui-form").on("click",".test11",function(){
alert();
})
注意函数里是3个参数，容器元素绑定on函数，事件元素作为on函数参数。
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
<title>录入回访</title>
<!-- 让IE8/9支持媒体查询，从而兼容栅格 -->
<!--[if lt IE 9]>
<script src="https://cdn.staticfile.org/html5shiv/r29/html5.min.js"></script>
<script src="https://cdn.staticfile.org/respond.js/1.4.2/respond.min.js"></script>
<![endif]-->
<link rel="stylesheet" href="/layui/css/layui.css">
<script type="text/javascript" src="/static/js/jquery-3.3.1.min.js"></script>
</head>
<body class="layui-layout-body">
<form class="layui-form" action="/index.php/index/index/cvisaddin.html" method="POST" id="cvisform">
<table class="layui-table">
<colgroup>
<col width="100">
<col width="100">
<col width="100">
<col width="200">
<col>
</colgroup>
<thead>
<tr>
<th>卡号</th>
<th>姓名</th>
<th>手机</th>
<th>回访日期</th>
<th>备注</th>
</tr>
</thead>
<tbody id="billTable">
<tr>
<td>00000006<input type="hidden" name="c_no[]" value="00000006"><input type="hidden" name="c_id[]" value="6"></td>
<td>测试<input type="hidden" name="cname[]" value="测试"></td>
<td>13689618522<input type="hidden" name="tel[]"></td>
<td><input type="text" class="layui-input test11" id="test1" placeholder="yyyy-MM-dd" name="r_date[]"></td>
<td><input type="text" name="note[]" class="layui-input"></td>
</tr>
<tr class="btr">
<td colspan="1"><button type="button" class="layui-btn layui-btn-primary layui-border-orange" id="addBill">增加</button></td>
<td colspan="1"><button type="button" class="layui-btn layui-btn-primary layui-border-orange" id="addremove">删除</button></td>
<td colspan="4"></td>
</tr>
</tbody>
</table>
</div>
<div class="layui-form-item">
<div class="layui-input-block" style=" text-align: center;">
<button type="button" class="layui-btn" id="ajaxBtn">保存</button>
</div>
</div>
</form>
</body>
</html>
<script type="text/javascript">
$("#addBill").on("click",function(){
$("#billTable").children(":last-child").before('<tr><td>00000006<input type="hidden"name="c_no[]"value="00000006"><input type="hidden"name="c_id[]"value="6"></td><td>测试<input type="hidden"name="cname[]"value="测试"></td><td>13689618522<input type="hidden"name="tel[]"></td><td><input type="text" class="layui-input test11" id="test1" placeholder="yyyy-MM-dd" name="r_date[]"></td><td><input type="text"name="note[]"class="layui-input"></td></tr>');
})
$("#addremove").on("click",function(){
$("#billTable").children(":last-child").prev().remove();
})
$("#ajaxBtn").on("click",function(){
var formData=$("#cvisform").serialize();
$.ajax({
type: "POST",
url: "/index.php/index/index/cvisaddin.html",
processData:true,
data:formData,
success: function(data){
alert(data);
}
});
})
$(".layui-form").on("click",".test11",function(){
alert();
})
</script>