jquery hashtable

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

})

 

• jQuery.Hashtable-1.1.js.zip (667 Bytes)