In this article, find out how to store and retrieve persistent data with cookies, small files that allow you to do big things. This article explains the basics of cookies, demonstrates reading and writing them in JavaScript, and illustrates their use in a real-world application.
And that's about it for this tutorial. Over the last few pages, I gave you a crash course in reading and writing cookies using JavaScript. I explained what cookies were, dissected the innards of a cookie and showed you what they contain, and then took you through the process of reading and writing a cookie with the document.cookie property, and with the Bill Dortch cookie library. Finally, I wrapped things up with an example of how you could use cookies in a real-world environment, to personalize a Web site for your users by automatically selecting their favourite language for them.
Of course, this is just the tip of the iceberg. You can do a lot more with cookies; take a look at the following links for more information:
Note: Examples are illustrative only, and are not meant for a production environment. Melonfire provides no warranties or support for the source code described in this article.
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