JavaScript Cookie expira em 5 minutos
function createCookie(name,value,minutes) {
if (minutes) {
var date = new Date();
date.setTime(date.getTime()+(minutes*60*1000));
var expires = "; expires="+date.toGMTString();
} else {
var expires = "";
}
document.cookie = name+"="+value+expires+"; path=/";
}
createCookie("name", "value", 5)
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