Basic HTML version of Foils prepared 23 June 1997

Foil 74 Use of Cookies in Client Program

From JavaScript Tutorial for Certificate Course UC Web applications Certificate -- Summer 97. by Geoffrey C. Fox, Tom Scavo


The JavaScript property document.cookie holds cookies that are valid for this document and can be used to either set or retrieve cookie values
Suppose we have a page with a form that sets values and stores for a certain length of time. This is processed entirely on the client by storing values in appropriate cookie entries
Cookies may be read on other pages (consistent with PATH and DOMAIN) and if present are used to define JavaScript variables that are used in "parameterized HTML"
Note document.cookie is set to a single cookie value but when read gives all cookies for this document!



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