Ajout du `samesite` au cookie

cookies.js

 function setCookie(cname, cvalue, exdays) {
   let d = new Date();
-  d.setTime(d.getTime() + (exdays*24*60*60*1000));
-  let expires = "expires="+ d.toUTCString();
-  document.cookie = cname + "=" + cvalue + "; " + expires;
+  d.setTime(d.getTime() + exdays * 24 * 60 * 60 * 1000);
+  document.cookie = `${cname}=${cvalue};expires=${d.toUTCString()};samesite=strict`;
 }
 
 function getCookie(cname) {
   let name = cname + "=";
-  let ca = document.cookie.split(';');
+  let ca = document.cookie.split(";");
   for (let i = 0; i < ca.length; i++) {
-      let c = ca[i];
-      while (c.charAt(0) == ' ')
-          c = c.substring(1);
-      if (c.indexOf(name) == 0)
-          return c.substring(name.length, c.length);
+    let c = ca[i];
+    while (c.charAt(0) == " ") c = c.substring(1);
+    if (c.indexOf(name) == 0) return c.substring(name.length, c.length);
   }
   return "";
 }