JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html>
<head>
<script>
function getCookie(c_name)
{
var i,x,y,ARRcookies=document.cookie.split(";");
for (i=0;i<ARRcookies.length;i++)
  {
  x=ARRcookies[i].substr(0,ARRcookies[i].indexOf("="));
  y=ARRcookies[i].substr(ARRcookies[i].indexOf("=")+1);
  x=x.replace(/^\s+|\s+$/g,"");
  if (x==c_name)
    {
    return unescape(y);
    }
  }
}

function setCookie(c_name,value,exdays)
{
var exdate=new Date();
exdate.setDate(exdate.getDate() + exdays);
var c_value=escape(value) + ((exdays==null) ? "" : "; expires="+exdate.toUTCString());
document.cookie=c_name + "=" + c_value;
}

function checkCookie()
{
var test=getCookie("test");
if (test!=null && test!="")
  {
document.body.style.display = "none";
  }
else 
  {
  test=document.body.style.display = "none";
  if (test!=null && test!="")
    {
    setCookie("test",test,365);
    }
  }
}
</script>
</head>
<body onload="checkCookie();">
<img src="http://files.softicons.com/download/internet-icons/social-networking-icons-by-wpzoom/png/32/google.png" id="algo" />
</body>
</html>