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| <script language="JavaScript" >
alert("jjjj");
Hashtable.prototype.hash = null;
Hashtable.prototype.keys = null;
Hashtable.prototype.location = null;
/**
* Hashtable - Constructor
* Create a new Hashtable object.
*/
function Hashtable(){
this.hash = new Array();
this.keys = new Array();
this.location = 0;
}
/**
* put
* Add new key
* param: key - String, key name
* param: value - Object, the object to insert
*/
Hashtable.prototype.put = function (key, value){
if (value == null)
return;
if (this.hash[key] == null)
this.keys[this.keys.length] = key;
this.hash[key] = value;
}
/**
* get
* Return an element
* param: key - String, key name
* Return: object - The requested object
*/
Hashtable.prototype.get = function (key){
return this.hash[key];
}
/**
* remove
* Remove an element
* param: key - String, key name
*/
Hashtable.prototype.remove = function (key){
for (var i = 0; i < this.keys.length; i++){
//did we found our key?
if (key == this.keys[i]){
//remove it from the hash
this.hash[this.keys[i]] = null;
//and throw away the key...
this.keys.splice(i ,1);
return;
}
}
}
/**
* size
* Return: Number of elements in the hashtable
*/
Hashtable.prototype.size = function (){
return this.keys.length;
}
/**
* populateItems
* Deprecated
*/
Hashtable.prototype.populateItems = function (){}
/**
* next
* Return: true if theres more items
*/
Hashtable.prototype.next = function (){
if (++this.location < this.keys.length)
return true;
else
return false;
}
/**
* moveFirst
* Move to the first item.
*/
Hashtable.prototype.moveFirst = function (){
try {
this.location = -1;
} catch(e) {/*//do nothing here :-)*/}
}
/**
* moveLast
* Move to the last item.
*/
Hashtable.prototype.moveLast = function (){
try {
this.location = this.keys.length - 1;
} catch(e) {/*//do nothing here :-)*/}
}
/**
* getKey
* Return: The value of item in the hash
*/
Hashtable.prototype.getKey = function (){
try {
return this.keys[this.location];
} catch(e) {
return null;
}
}
/**
* getValue
* Return: The value of item in the hash
*/
Hashtable.prototype.getValue = function (){
try {
return this.hash[this.keys[this.location]];
} catch(e) {
return null;
}
}
/**
* getKey
* Return: The first key contains the given value, or null if not found
*/
Hashtable.prototype.getKeyOfValue = function (value){
for (var i = 0; i < this.keys.length; i++)
if (this.hash[this.keys[i]] == value)
return this.keys[i]
return null;
}
/**
* toString
* Returns a string representation of this Hashtable object in the form of a set of entries,
* enclosed in braces and separated by the ASCII characters ", " (comma and space).
* Each entry is rendered as the key, an equals sign =, and the associated element,
* where the toString method is used to convert the key and element to strings.
* Return: a string representation of this hashtable.
*/
Hashtable.prototype.toString = function (){
try {
var s = new Array(this.keys.length);
s[s.length] = "{";
for (var i = 0; i < this.keys.length; i++){
s[s.length] = this.keys[i];
s[s.length] = "=";
var v = this.hash[this.keys[i]];
if (v)
s[s.length] = v.toString();
else
s[s.length] = "null";
if (i != this.keys.length-1)
s[s.length] = ", ";
}
} catch(e) {
//do nothing here :-)
}finally{
s[s.length] = "}";
}
return s.join("");
}
/**
* add
* Concatanates hashtable to another hashtable.
*/
Hashtable.prototype.add = function(ht){
try {
ht.moveFirst();
while(ht.next()){
var key = ht.getKey();
//put the new value in both cases (exists or not).
this.hash[key] = ht.getValue();
//but if it is a new key also increase the key set
if (this.get(key) != null){
this.keys[this.keys.length] = key;
}
}
} catch(e) {
//do nothing here :-)
} finally {
return this;
}
};
</script> |
Appel d'un script js à partir d'une page html
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