-
Notifications
You must be signed in to change notification settings - Fork 0
/
Enable Binding.html
72 lines (66 loc) · 1.59 KB
/
Enable Binding.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
<html>
<head>
<title> Enable Binding </title>
<script type="text/javascript" src="./knockout-3.5.1.js"></script>
<script type="text/javascript" src="./jquery-3.4.1.js"></script>
<style>
#enable{
width:1250px;
height:600px;
border: 2px solid black;
float:center;
}
</style>
</head>
<body>
<div id="enable">
<Label For="enableBindings"> Dynamic Drop Down List</lable>
<br>
<br>
<Label for="AddItem"> Add Value</label>
<input type="text" data-bind="value:NewItem" />
<button data-bind="click: AddItem">AddItem</button>
<br>
<br>
<br>
<br>
<p></p>
<p></p>
<br>
<Label for="RemoveItem"> Remove Value</label>
<input type="text" data-bind="value:RemoveValue"/>
<button data-bind="enable: VerticalItems().length>5, click:RemoveItem">RemoveItem</button>
<br>
<br>
<br>
<br>
<br>
<br>
<select multiple="multiple" width="200" data-bind="options: VerticalItems()"></select>
<br>
<br>
</div>
<script type="text/javascript">
$(function(){
var enableViewModel=function(){
var self=this;
self.NewItem=ko.observable();
self.RemoveValue=ko.observable();
self.VerticalItems=ko.observableArray(["thiru","arasu","sabari","prasanna","sagathguru"]);
self.AddItem=function(){
if(self.NewItem() && self.VerticalItems.indexOf(self.NewItem())===-1 ){
self.VerticalItems.push(self.NewItem());
}
};
self.RemoveItem=function(){
var self=this;
if(self.RemoveValue() && self.VerticalItems.indexOf(self.RemoveValue())!==-1 ){
self.VerticalItems.remove(self.RemoveValue());
}
};
};
ko.applyBindings(enableViewModel,$("#enable")[0]);
});
</script>
</body>
</html>