An instance would last the pop page of Google. This search engine allows users to pick out how many search results they desire to meet on each page. Thanks to a cookie , this configuration remains unchanged for each estimator , fifty-fifty later rebooting several sessions. Despite this , it is skillful to take away them from fourth dimension to fourth dimension because although about volition expire existence erased automatically later a spell , about of them volition never practise so.
Like many other things , cookies may endure a hapless usage in addition to thus , their bad reputation. For instance , about websites tin ship away shop in addition to report the browsing habits of a user without their knowledge. This is why most browsers already include a organisation to filter them in addition to tin ship away determine if they volition render about privacy or not.
If yous desire to meet a alive instance of how a cookie plant , delight catch this page in addition to refresh it a few times. You should teach an warning window telling yous close how many times yous visited the page.
Once done , inward companionship to laid a cookie , nosotros entirely require to set the mention in addition to the value inward quotes when nosotros telephone telephone the function. Additionally , nosotros volition laid the croak appointment past times getting the electrical current Time (in milliseconds) in addition to add together the required give away of minutes (in milliseconds):
var expiration = novel Date();
expiration.setTime(expiration.getTime() + 10000); //Expire later 10 seconds
setCookie(“cookiename” ,”hello” ,expiration);
The inward a higher identify code sets a cookie called cookiename , amongst the hello value in addition to laid its croak appointment to 10 seconds later it has been laid (10000 milliseconds = 10 seconds). If nosotros desire to restore the value of this cookie , so nosotros should usage the 2nd role amongst the cookie name:
var checkCookie = getCookie(“cookiename“);
By adding this code below the taag , nosotros created a cookie amongst the value ‘hello‘ which tin ship away last shown on the covert if nosotros desire to. The cookie volition disappear later 10 seconds:
The combination of these 3 functions volition allow us to grip cookies for specific purposes , every bit nosotros volition meet inward the close future.