... Using Cookies . ... For example, . ... The document.cookie property is a string that contains all the names and values of Navigator cookies. ... Get a cookie value, given the cookie name. ... Here, for example, is a function that sets cookie values and expiration: . ... The following function returns a cookie value, given the name of the cookie: . ... This function, register , creates a cookie with the name TheCoolJavaScriptPage and the value passed to it as an argument. function register(name) { . ...