Asking for a sample code:
Write an example according to the ???? area code format, (ms-for, ms-visible, ms-if) position cannot be changed, cannot be increased or decreased , When you click Add, it will not be added twice.
Or is there something wrong with my way of writing?
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<!--<script src="avalon2.js"></script>-->
<script src="https://unpkg.com/avalon2@2.2.8/dist/avalon.js"></script>
</head>
<body>
<p id="floor" ms-controller="floor">
<button ms-click="add_floor()" >添加1</button>
<!--???????-->
<p class="floor" ms-for="el in @items" ms-visible="1<2">
<p class="type1" ms-if="1<2">
sssssss
</p>
</p>
<!--???????-->
</p>
<script>
var floors = avalon.define({
$id : 'floor' ,
items : [],
add_floor : function(){
floors.items.push('');
}
})
</script>
</body>
</html>
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
should be
The problem with
ms-ifhere can be changed toms-visibleor removed without any problem.