Hour 10. JavaScript and Cookies
What You’ll Learn in This Hour
• What cookies are
• All about cookie attributes
• How to set and retrieve cookies
• About cookie expiration dates
• How to save multiple data items in a single cookie
• Deleting cookies
• Escaping and unescaping data
• Limitations of cookies
Something that the JavaScript techniques that you have seen so far can’t do is transfer information from one page to another. Cookies provide a convenient way to give your web pages the means to store and retrieve small pieces of information on a user’s own computer, allowing your website to save details such as a user’s preferences or dates of his or her prior visits to your site.
In this hour you learn how to create, save, retrieve, and delete ...
Get Sams Teach Yourself JavaScript™ in 24 Hours, Fifth Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.