I need script that change specific div to show it only Once per day.(probably with a cookie that expires) this script needs to change style of that div to--->display:block<--- on that time that this div is showen. Now style of that div is position:fixed; bottom:0;z-index: 100; display:none;

I dont know a thing to code in JS or JQ, so please explain in basic language.

I am googling 2 days, still cannot find answer...
Please help
Thanks