Cookie utility function : Cookie « Development « JavaScript DHTML

JavaScript DHTML
1. Ajax Layer
2. Data Type
3. Date Time
4. Development
5. Document
6. Dojo toolkit
7. Event
8. Event onMethod
9. Ext JS
10. Form Control
11. GUI Components
12. HTML
13. Javascript Collections
14. Javascript Objects
15. Javascript Properties
16. jQuery
17. Language Basics
18. Mochkit
19. Mootools
20. Node Operation
21. Object Oriented
22. Page Components
23. Rico
24. Scriptaculous
25. Security
26. SmartClient
27. Style Layout
28. Table
29. Utilities
30. Window Browser
31. YUI Library
Java
Java Tutorial
Java Source Code / Java Documentation
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
JavaScript DHTML » Development » Cookie 
Cookie utility function
  

/* cookies.js */
/*
     Example File From "JavaScript and DHTML Cookbook"
     Published by O'Reilly & Associates
     Copyright 2003 Danny Goodman
*/

// utility function to retrieve a future expiration date in proper format;
// pass three integer parameters for the number of days, hours,
// and minutes from now you want the cookie to expire; all three
// parameters required, so use zeros where appropriate
function getExpDate(days, hours, minutes) {
    var expDate = new Date();
    if (typeof days == "number" && typeof hours == "number" && typeof hours == "number") {
        expDate.setDate(expDate.getDate() + parseInt(days));
        expDate.setHours(expDate.getHours() + parseInt(hours));
        expDate.setMinutes(expDate.getMinutes() + parseInt(minutes));
        return expDate.toGMTString();
    }
}

// utility function called by getCookie()
function getCookieVal(offset) {
    var endstr = document.cookie.indexOf (";", offset);
    if (endstr == -1) {
        endstr = document.cookie.length;
    }
    return unescape(document.cookie.substring(offset, endstr));
}

// primary function to retrieve cookie by name
function getCookie(name) {
    var arg = name + "=";
    var alen = arg.length;
    var clen = document.cookie.length;
    var i = 0;
    while (i < clen) {
        var j = i + alen;
        if (document.cookie.substring(i, j== arg) {
            return getCookieVal(j);
        }
        i = document.cookie.indexOf(" ", i1;
        if (i == 0break
    }
    return null;
}

// store cookie value with optional details as needed
function setCookie(name, value, expires, path, domain, secure) {
    document.cookie = name + "=" + escape (value+
        ((expires"; expires=" + expires : ""+
        ((path"; path=" + path : ""+
        ((domain"; domain=" + domain : ""+
        ((secure"; secure" "");
}

// remove the cookie by setting ancient expiration date
function deleteCookie(name,path,domain) {
    if (getCookie(name)) {
        document.cookie = name + "=" +
            ((path"; path=" + path : ""+
            ((domain"; domain=" + domain : ""+
            "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}



           
         
    
  
Related examples in the same category
1. Reads, writes and deletes current Web page's cookies
2. 'cookieEnabled' Example
3. Create a cookie
4. Set the cookie expire date
5. Secure cookie
6. Read all cookies
7. Standard cookie functions: extract Cookie Value
8. Save name to cookie
9. Cookie set, delete, get value and create
10. Cookie install and delete (remove)
11. Cookie: retrieve a future expiration date in proper format
12. A Cookie Example
13. A Cookie Test Program
14. Quiz Program base on Cookie
15.  A Website Access Counter
16.  Keeping Track of User Access Time
17. Bill Dortch's Cookie Functions
18. Cookie Preferences
19. Set cookie to document and read it back
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.