Javascript function Summary

// Whether the format is currency ####
Function IsCurrencyData (s ){
Var reg =/^ \ d *\.? \ D {0, 2} $ /;
Var result = reg.exe c (s );
If (! Result)
Return false;
Return true;
}
// Precise data to the index of the decimal point
Function ToFixed (data, index ){
Var num = new Number (data );
Var ret = num. toFixed (index );
Return ret;
}
// (Jquery) obtain the selected value of a set of mutex-on lists
Function GetCheckedRadiosValue (name ){
Var value = $ ("input: radio [name = '" + name + "'] [checked]"). val ();
Return value;
}
// Set the cookie value
Function SetCookie (name, value, expiredays)
{
Var exdate = new Date ();
Exdate. setDate (exdate. getDate () + expiredays)
Document. cookie = name + "=" + escape (value) +
(Expiredays = null )? "": "; Path =/; expires =" + exdate. toGMTString ());
}
// Obtain the cookie value
Function GetCookiesValue (name)
{
If (document. cookie. length> 0)
{
Var c_start = document. cookie. indexOf (name + "= ")
If (c_start! =-1)
{
C_start = c_start + name. length + 1
C_end = document. cookie. indexOf (";", c_start)
If (c_end =-1) c_end = document. cookie. length
Return unescape (document. cookie. substring (c_start, c_end ))
}
}
Return ""
}
 
Function DoubleLinkedList (){
Function Node (){
This. Value;
This. Next;
This. Pre;
}
This. Head = new Node ();
This. Head. Next = null;
This. Head. Pre = null;
This. Count = 0;
This. CurrentNode = this. Head;
This. PNode = this. Head;
This. Add = function (v ){
Var nNode = new Node ();
NNode. Value = v;
NNode. Next = null;
NNode. Pre = this. CurrentNode;
This. CurrentNode. Next = nNode;
This. CurrentNode = nNode;
This. Count ++;
}
This. IsEmpty = function (){
Return this. Count> 0;
}
This. GoNext = function (){
If (this. PNode. Next! = Null ){
This. PNode = this. PNode. Next;
Return this. PNode;
} Else {
This. PNode = this. Head;
Return null;
}
}
This. IsGoToEnd = function (){
Return this. PNode. Next = null;
}
This. GoPre = function (){
If (this. PNode. Pre! = Null ){
This. PNode = this. PNode. Pre;
Return this. PNode;
}
Else {
This. PNode = this. Head;
Return null;
}
}
This. Remove = function (v ){
Var node;
While (node = list. GoNext ())! = Null ){
If (node. Value = v ){
Node. Pre. Next = node. Next;
Node. Next. Pre = node. Pre;
Node = null;
This. Count --;
This. PNode = this. Head;
Break;
}
}
}
}