jQuery provides a plugin which you can use the jQuery library itself and you can easily store and access cookies.
Before we begin, let’s say a few words about the jQuery Cookie plugin which is basically useful to store useful information.Today we will learn how to use jQuery Cookie to store some user information in a Cookie to display a specific content to the user.
SYNTAX:
1 2 3 | $.cookie("name", "value","expires", "path","domain" ,"secure" ); |
About Parameters:
Name The “expires” option defines unique cookie name.
Value It defines the value of the cookie name you defined in first option
Expires The “expires” option defines active lifetime of the cookie. If omitted, the cookie is a session cookie.
path It defines the path where the cookie is to be used. If you want to make it available for the entire page use default path: ‘/’.
Domain Domain Name is the cookie was created.You can use a specific domain name or subdomain name.
Secure By Default it’s a false. If true, the cookie transmission requires a secure protocol (HTTPS).
Let’s understand by creating one application(demo) using jQuery Cookie plugin.Here, I am going to explain how you can set cookie and increment/decrement values of the cookie using the jQuery plugin.
First of include the jQuery library and after including the jQuery library, we will include the jquery.cookie.js plugin in HTML < head > tag. After that, include your JavaScript file or just place your code into a < script > tag.
1 2 3 4 5 | // jquery library include <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script> <script type="text/javascript" src="jquery.cookie.js"></script> |
Next, we place jQuery script code which is used jQuery Cookie plugin and jQuery core elements.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | var Cookie = $.cookie( 'demoCookie' ); // To get cookie value if(Cookie==null || Cookie=='') { $.cookie('demoCookie',0); // To set cookie value to zero } $('.button-prev').click(function() { var Cookie = $.cookie( 'demoCookie' ); Cookie=parseInt(Cookie)-1; // decrement cookie value to 1. $.cookie('demoCookie',Cookie); }); $('.button-next').click(function() { var Cookie = $.cookie( 'demoCookie' ); Cookie=parseInt(Cookie)+1; // increment cookie to 1 $.cookie('demoCookie',Cookie); }); $('.button-delete').click(function() { $.cookie('demoCookie',''); //empty cookie to revert back cookie value to null }); $('.jq-text').text(Cookie).show(); // To display cookie. }) |
Now, place your HTML code into < body > tag which is basically a divs used to display cookie information stored into the cookies.
1 2 3 4 5 6 7 | <div class="button-prev"><a href="">Prev</a></div> <div class="button-next"><a href="">Next</a></div> <br/> <div class="button-delete"><a href="">Delete Cookie</a></div> |
Following these simple steps, you can easily implement jQuery Cookie code.Let’s put this code together and see the demo how it works!!
DEMO
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