jQuery.Hashtable = function() {
|
02 |
this.items = new Array();
|
03 |
this.itemsCount = 0;
|
04 |
this.add = function(key, value) {
|
05 |
if (!this.containsKey(key)) {
|
06 |
this.items[key] = value;
|
07 |
this.itemsCount++;
|
08 |
}
|
09 |
else |
10 |
throw "key '" + key + "' allready exists." |
11 |
}
|
12 |
this.get = function(key) {
|
13 |
if (this.containsKey(key))
|
14 |
return this.items[key];
|
15 |
else |
16 |
return null;
|
17 |
}
|
18 |
|
19 |
this.remove = function(key) {
|
20 |
if (this.containsKey(key)) {
|
21 |
delete this.items[key];
|
22 |
this.itemsCount--;
|
23 |
}
|
24 |
else |
25 |
throw "key '" + key + "' does not exists." |
26 |
}
|
27 |
this.containsKey = function(key) {
|
28 |
return typeof (this.items[key]) != "undefined";
|
29 |
}
|
30 |
this.containsValue = function containsValue(value) {
|
31 |
for (var item in this.items) {
|
32 |
if (this.items[item] == value)
|
33 |
return true;
|
34 |
}
|
35 |
return false;
|
36 |
}
|
37 |
this.contains = function(keyOrValue) {
|
38 |
return this.containsKey(keyOrValue) || this.containsValue(keyOrValue);
|
39 |
}
|
40 |
this.clear = function() {
|
41 |
this.items = new Array();
|
42 |
itemsCount = 0;
|
43 |
}
|
44 |
this.size = function() {
|
45 |
return this.itemsCount;
|
46 |
}
|
47 |
this.isEmpty = function() {
|
48 |
return this.size() == 0;
|
49 |
}
|
50 |
}; |
=======================================================
var hashtable = new jQuery.Hashtable();
|
2 |
$(function() {
|
3 |
$('#btnAdd').click(function() {
|
4 |
hashtable.add($('#txtAddKey').val(), $('#txtAddValue').val());
|
5 |
});
|
6 |
$('#btnGet').click(function() {
|
7 |
alert(hashtable.get($('#txtGetKey').val()))
|
8 |
});
|
9 |
}) |