(() => {
   const elements = new WeakSet();

   function check() {
      document.querySelectorAll(".floating>input").forEach(e => {
         if (elements.has(e)) return;
         elements.add(e);

         function checkState() {
            console.log("Check State");
            if (e.value !== "") {
               if (e.classList.contains("used")) return;
               e.classList.add("used")
            } else {
               if (e.classList.contains("used")) e.classList.remove("used")
            }
         }

         e.addEventListener("change", () => checkState())
         checkState()
      })
   };

   const observer = new MutationObserver((mutations) => {
      check();
   });


   // Start observing the target node for configured mutations
   observer.observe(window.document, {
      childList: true,
      subtree: true
   });
   check();
})()